693953013 has 8 divisors (see below), whose sum is σ = 996445408. Its totient is φ = 427047984.

The previous prime is 693952967. The next prime is 693953021. The reversal of 693953013 is 310359396.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 693953013 - 2¹⁰ = 693951989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 17793667 = 693953013 / (6 + 9 + 3 + 9 + 5 + 3 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693953023) 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 7 ways as a sum of consecutive naturals, for example, 8896795 + ... + 8896872.

It is an arithmetic number, because the mean of its divisors is an integer number (124555676).

Almost surely, 2^693953013 is an apocalyptic number.

It is an amenable number.

693953013 is a deficient number, since it is larger than the sum of its proper divisors (302492395).

693953013 is a wasteful number, since it uses less digits than its factorization.

693953013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17793683.

The product of its (nonzero) digits is 65610, while the sum is 39.

The square root of 693953013 is about 26342.9879284792. The cubic root of 693953013 is about 885.3398688242.

The spelling of 693953013 in words is "six hundred ninety-three million, nine hundred fifty-three thousand, thirteen".