13881902734 has 16 divisors (see below), whose sum is σ = 24565211136. Its totient is φ = 5757471000.

The previous prime is 13881902731. The next prime is 13881902737. The reversal of 13881902734 is 43720918831.

It is an interprime number because it is at equal distance from previous prime (13881902731) and next prime (13881902737).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13881902731) 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, 15992542 + ... + 15993409.

It is an arithmetic number, because the mean of its divisors is an integer number (1535325696).

Almost surely, 2^13881902734 is an apocalyptic number.

13881902734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13881902734 is a deficient number, since it is larger than the sum of its proper divisors (10683308402).

13881902734 is a wasteful number, since it uses less digits than its factorization.

13881902734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31985991.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 13881902734 in words is "thirteen billion, eight hundred eighty-one million, nine hundred two thousand, seven hundred thirty-four".