13985961950 has 24 divisors (see below), whose sum is σ = 26910922680. Its totient is φ = 5401474400.

The previous prime is 13985961907. The next prime is 13985961961. The reversal of 13985961950 is 5916958931.

It is a happy number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4821296 + ... + 4824195.

It is an arithmetic number, because the mean of its divisors is an integer number (1121288445).

Almost surely, 2^13985961950 is an apocalyptic number.

13985961950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13985961950 is a deficient number, since it is larger than the sum of its proper divisors (12924960730).

13985961950 is a wasteful number, since it uses less digits than its factorization.

13985961950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9645532 (or 9645527 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 56.

The spelling of 13985961950 in words is "thirteen billion, nine hundred eighty-five million, nine hundred sixty-one thousand, nine hundred fifty".