69487596025 has 9 divisors (see below), whose sum is σ = 86166253453. Its totient is φ = 55589022400.

The previous prime is 69487596011. The next prime is 69487596037. The reversal of 69487596025 is 52069578496.

The square root of 69487596025 is 263605.

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

It can be written as a sum of positive squares in 4 ways, for example, as 23744652649 + 45742943376 = 154093^2 + 213876^2 .

It is a de Polignac number, because none of the positive numbers 2^k-69487596025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1291665 + ... + 1344385.

Almost surely, 2^69487596025 is an apocalyptic number.

69487596025 is the 263605-th square number.

69487596025 is the 131803-rd centered octagonal number.

It is an amenable number.

69487596025 is a deficient number, since it is larger than the sum of its proper divisors (16678657428).

69487596025 is an frugal number, since it uses more digits than its factorization.

69487596025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105452 (or 52726 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 69487596025 in words is "sixty-nine billion, four hundred eighty-seven million, five hundred ninety-six thousand, twenty-five".