4543739876025 has 405 divisors, whose sum is σ = 10038403495197. Its totient is φ = 2025877392000.

The previous prime is 4543739876023. The next prime is 4543739876033. The reversal of 4543739876025 is 5206789373454.

It is a happy number.

The square root of 4543739876025 is 2131605.

It is a perfect power (a square), and thus also a powerful number.

4543739876025 is a `hidden beast` number, since 4 + 543 + 7 + 3 + 9 + 8 + 7 + 60 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 838977225849 + 3704762650176 = 915957^2 + 1924776^2 .

It is a tau number, because it is divible by the number of its divisors (405).

It is not a de Polignac number, because 4543739876025 - 2¹ = 4543739876023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (4543739876023) by changing a digit.

It is a polite number, since it can be written in 404 ways as a sum of consecutive naturals, for example, 44987523475 + ... + 44987523575.

Almost surely, 2^{4543739876025} is an apocalyptic number.

4543739876025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4543739876025 is the 2131605-th square number.

4543739876025 is the 1065803-rd centered octagonal number.

It is an amenable number.

4543739876025 is an abundant number, since it is smaller than the sum of its proper divisors (5494663619172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4543739876025 is an equidigital number, since it uses as much as digits as its factorization.

4543739876025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 63.

The spelling of 4543739876025 in words is "four trillion, five hundred forty-three billion, seven hundred thirty-nine million, eight hundred seventy-six thousand, twenty-five".