693813132 has 18 divisors (see below), whose sum is σ = 1753805508. Its totient is φ = 231271032.

The previous prime is 693813119. The next prime is 693813157. The reversal of 693813132 is 231318396.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 19272587 = 693813132 / (6 + 9 + 3 + 8 + 1 + 3 + 1 + 3 + 2).

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 5 ways as a sum of consecutive naturals, for example, 9636258 + ... + 9636329.

Almost surely, 2^693813132 is an apocalyptic number.

It is an amenable number.

693813132 is an abundant number, since it is smaller than the sum of its proper divisors (1059992376).

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

693813132 is a wasteful number, since it uses less digits than its factorization.

693813132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19272597 (or 19272592 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 693813132 is about 26340.3327997199. The cubic root of 693813132 is about 885.2803784621.

The spelling of 693813132 in words is "six hundred ninety-three million, eight hundred thirteen thousand, one hundred thirty-two".