699868053 has 16 divisors (see below), whose sum is σ = 1097832960. Its totient is φ = 439132608.

The previous prime is 699868033. The next prime is 699868063. The reversal of 699868053 is 350868996.

It is not a de Polignac number, because 699868053 - 2²² = 695673749 is a prime.

It is a super-2 number, since 2×699868053² = 979630583220021618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699868003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761925 + ... + 762842.

It is an arithmetic number, because the mean of its divisors is an integer number (68614560).

Almost surely, 2^699868053 is an apocalyptic number.

It is an amenable number.

699868053 is a deficient number, since it is larger than the sum of its proper divisors (397964907).

699868053 is a wasteful number, since it uses less digits than its factorization.

699868053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524793 (or 1524787 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 699868053 is about 26455.0194292123. The cubic root of 699868053 is about 887.8482095372.

The spelling of 699868053 in words is "six hundred ninety-nine million, eight hundred sixty-eight thousand, fifty-three".