693378717806352 has 80 divisors (see below), whose sum is σ = 1792990057684608. Its totient is φ = 230898983331840.

The previous prime is 693378717806303. The next prime is 693378717806377. The reversal of 693378717806352 is 253608717873396.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366508168 + ... + 368395160.

Almost surely, 2^{693378717806352} is an apocalyptic number.

It is an amenable number.

693378717806352 is an abundant number, since it is smaller than the sum of its proper divisors (1099611339878256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

693378717806352 is a wasteful number, since it uses less digits than its factorization.

693378717806352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894528 (or 1894522 counting only the distinct ones).

The product of its (nonzero) digits is 1920360960, while the sum is 75.

The spelling of 693378717806352 in words is "six hundred ninety-three trillion, three hundred seventy-eight billion, seven hundred seventeen million, eight hundred six thousand, three hundred fifty-two".