693422821152 has 72 divisors (see below), whose sum is σ = 2004247774620. Its totient is φ = 227351738880.

The previous prime is 693422821139. The next prime is 693422821163. The reversal of 693422821152 is 251128224396.

693422821152 is a `hidden beast` number, since 6 + 9 + 3 + 422 + 8 + 211 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 655458636816 + 37964184336 = 809604^2 + 194844^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 693422821098 and 693422821107.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 19717827 + ... + 19752962.

Almost surely, 2^693422821152 is an apocalyptic number.

It is an amenable number.

693422821152 is an abundant number, since it is smaller than the sum of its proper divisors (1310824953468).

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

693422821152 is a wasteful number, since it uses less digits than its factorization.

693422821152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39470866 (or 39470855 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 693422821152 in words is "six hundred ninety-three billion, four hundred twenty-two million, eight hundred twenty-one thousand, one hundred fifty-two".