69634765456 has 45 divisors (see below), whose sum is σ = 138740137641. Its totient is φ = 33857372736.

The previous prime is 69634765439. The next prime is 69634765463. The reversal of 69634765456 is 65456743696.

It is a happy number.

The square root of 69634765456 is 263884.

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

It can be written as a sum of positive squares in only one way, i.e., 62310144400 + 7324621056 = 249620^2 + 85584^2 .

It is a super-2 number, since 2×69634765456² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69634765394 and 69634765403.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 39053941 + ... + 39055723.

Almost surely, 2^69634765456 is an apocalyptic number.

69634765456 is the 263884-th square number.

It is an amenable number.

69634765456 is a deficient number, since it is larger than the sum of its proper divisors (69105372185).

69634765456 is an frugal number, since it uses more digits than its factorization.

69634765456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648 (or 1822 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 61.

The spelling of 69634765456 in words is "sixty-nine billion, six hundred thirty-four million, seven hundred sixty-five thousand, four hundred fifty-six".