693936966738 has 64 divisors (see below), whose sum is σ = 1441122428160. Its totient is φ = 222499049472.

The previous prime is 693936966713. The next prime is 693936966757. The reversal of 693936966738 is 837669639396.

It is a super-2 number, since 2×693936966738² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 693936966738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53509131 + ... + 53522097.

It is an arithmetic number, because the mean of its divisors is an integer number (22517537940).

Almost surely, 2^693936966738 is an apocalyptic number.

693936966738 is an abundant number, since it is smaller than the sum of its proper divisors (747185461422).

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

693936966738 is a wasteful number, since it uses less digits than its factorization.

693936966738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14131.

The product of its digits is 1428513408, while the sum is 75.

The spelling of 693936966738 in words is "six hundred ninety-three billion, nine hundred thirty-six million, nine hundred sixty-six thousand, seven hundred thirty-eight".