693406064896 has 18 divisors (see below), whose sum is σ = 1384103512862. Its totient is φ = 346703032320.

The previous prime is 693406064873. The next prime is 693406064929. The reversal of 693406064896 is 698460604396.

It can be written as a sum of positive squares in only one way, i.e., 601679462400 + 91726602496 = 775680^2 + 302864^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354308465 + ... + 1354308976.

Almost surely, 2^693406064896 is an apocalyptic number.

It is an amenable number.

693406064896 is a deficient number, since it is larger than the sum of its proper divisors (690697447966).

693406064896 is an equidigital number, since it uses as much as digits as its factorization.

693406064896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708617457 (or 2708617443 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 61.

The spelling of 693406064896 in words is "six hundred ninety-three billion, four hundred six million, sixty-four thousand, eight hundred ninety-six".