14985613690 has 16 divisors (see below), whose sum is σ = 28393794720. Its totient is φ = 5678758800.

The previous prime is 14985613661. The next prime is 14985613691. The reversal of 14985613690 is 9631658941.

It is a super-2 number, since 2×14985613690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14985613691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39435636 + ... + 39436015.

It is an arithmetic number, because the mean of its divisors is an integer number (1774612170).

Almost surely, 2^14985613690 is an apocalyptic number.

14985613690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14985613690 is a deficient number, since it is larger than the sum of its proper divisors (13408181030).

14985613690 is a wasteful number, since it uses less digits than its factorization.

14985613690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78871677.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 14985613690 in words is "fourteen billion, nine hundred eighty-five million, six hundred thirteen thousand, six hundred ninety".