699939939996 has 72 divisors (see below), whose sum is σ = 1931297082624. Its totient is φ = 211975575840.

The previous prime is 699939939983. The next prime is 699939939997.

699939939996 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699939939997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129981 + ... + 1190283.

It is an arithmetic number, because the mean of its divisors is an integer number (26823570592).

Almost surely, 2^699939939996 is an apocalyptic number.

699939939996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

699939939996 is an abundant number, since it is smaller than the sum of its proper divisors (1231357142628).

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

699939939996 is a wasteful number, since it uses less digits than its factorization.

699939939996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061991 (or 1061986 counting only the distinct ones).

The product of its digits is 13947137604, while the sum is 90.

The spelling of 699939939996 in words is "six hundred ninety-nine billion, nine hundred thirty-nine million, nine hundred thirty-nine thousand, nine hundred ninety-six".