699996913 has 32 divisors (see below), whose sum is σ = 926650368. Its totient is φ = 511929600.

The previous prime is 699996901. The next prime is 699996923. The reversal of 699996913 is 319699996.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-699996913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (699996923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 767928 + ... + 768838.

It is an arithmetic number, because the mean of its divisors is an integer number (28957824).

Almost surely, 2^699996913 is an apocalyptic number.

It is an amenable number.

699996913 is a deficient number, since it is larger than the sum of its proper divisors (226653455).

699996913 is a wasteful number, since it uses less digits than its factorization.

699996913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its digits is 6377292, while the sum is 61.

The square root of 699996913 is about 26457.4547717652. The cubic root of 699996913 is about 887.9026965218.

The spelling of 699996913 in words is "six hundred ninety-nine million, nine hundred ninety-six thousand, nine hundred thirteen".