693410940369 has 81 divisors (see below), whose sum is σ = 1230258081897. Its totient is φ = 375200492688.

The previous prime is 693410940367. The next prime is 693410940403. The reversal of 693410940369 is 963049014396.

The square root of 693410940369 is 832713.

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

It is not a de Polignac number, because 693410940369 - 2¹ = 693410940367 is a prime.

It is a super-2 number, since 2×693410940369² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (693410940367) by changing a digit.

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 80 ways as a sum of consecutive naturals, for example, 332251444 + ... + 332253530.

Almost surely, 2^693410940369 is an apocalyptic number.

693410940369 is the 832713-rd square number.

693410940369 is the 416357-th centered octagonal number.

It is an amenable number.

693410940369 is a deficient number, since it is larger than the sum of its proper divisors (536847141528).

693410940369 is an equidigital number, since it uses as much as digits as its factorization.

693410940369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 693410940369 in words is "six hundred ninety-three billion, four hundred ten million, nine hundred forty thousand, three hundred sixty-nine".