3405519614025 has 135 divisors (see below), whose sum is σ = 6598094406519. Its totient is φ = 1736334182880.

The previous prime is 3405519614023. The next prime is 3405519614083. The reversal of 3405519614025 is 5204169155043.

It is a happy number.

The square root of 3405519614025 is 1845405.

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

3405519614025 is a `hidden beast` number, since 3 + 4 + 0 + 5 + 5 + 1 + 9 + 614 + 0 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1225987061049 + 2179532552976 = 1107243^2 + 1476324^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 3405519614025 - 2¹ = 3405519614023 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (3405519614023) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1909993284 + ... + 1909995066.

Almost surely, 2^{3405519614025} is an apocalyptic number.

3405519614025 is the 1845405-th square number.

3405519614025 is the 922703-rd centered octagonal number.

It is an amenable number.

3405519614025 is a deficient number, since it is larger than the sum of its proper divisors (3192574792494).

3405519614025 is an frugal number, since it uses more digits than its factorization.

3405519614025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 3405519614025 in words is "three trillion, four hundred five billion, five hundred nineteen million, six hundred fourteen thousand, twenty-five".