25743075345 has 80 divisors (see below), whose sum is σ = 49789451712. Its totient is φ = 12649841280.

The previous prime is 25743075343. The next prime is 25743075361. The reversal of 25743075345 is 54357034752.

25743075345 is a `hidden beast` number, since 2 + 574 + 3 + 0 + 75 + 3 + 4 + 5 = 666.

It is not a de Polignac number, because 25743075345 - 2¹ = 25743075343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 25743075345.

It is not an unprimeable number, because it can be changed into a prime (25743075343) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3002034 + ... + 3010596.

Almost surely, 2^25743075345 is an apocalyptic number.

It is an amenable number.

25743075345 is a deficient number, since it is larger than the sum of its proper divisors (24046376367).

25743075345 is a wasteful number, since it uses less digits than its factorization.

25743075345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9164 (or 9155 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 45.

The spelling of 25743075345 in words is "twenty-five billion, seven hundred forty-three million, seventy-five thousand, three hundred forty-five".