699116988361 has 4 divisors (see below), whose sum is σ = 762673078224. Its totient is φ = 635560898500.

The previous prime is 699116988337. The next prime is 699116988371. The reversal of 699116988361 is 163889611996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 699116988361 - 2⁷ = 699116988233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (699116988371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31778044915 + ... + 31778044936.

It is an arithmetic number, because the mean of its divisors is an integer number (190668269556).

Almost surely, 2^699116988361 is an apocalyptic number.

It is an amenable number.

699116988361 is a deficient number, since it is larger than the sum of its proper divisors (63556089863).

699116988361 is a wasteful number, since it uses less digits than its factorization.

699116988361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63556089862.

The product of its digits is 30233088, while the sum is 67.

The spelling of 699116988361 in words is "six hundred ninety-nine billion, one hundred sixteen million, nine hundred eighty-eight thousand, three hundred sixty-one".