13857698834 has 16 divisors (see below), whose sum is σ = 23757841728. Its totient is φ = 5938567152.

The previous prime is 13857698831. The next prime is 13857698861. The reversal of 13857698834 is 43889675831.

It is not an unprimeable number, because it can be changed into a prime (13857698831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214109 + ... + 271215.

It is an arithmetic number, because the mean of its divisors is an integer number (1484865108).

Almost surely, 2^13857698834 is an apocalyptic number.

13857698834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13857698834 is a deficient number, since it is larger than the sum of its proper divisors (9900142894).

13857698834 is a wasteful number, since it uses less digits than its factorization.

13857698834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74449.

The product of its digits is 34836480, while the sum is 62.

The spelling of 13857698834 in words is "thirteen billion, eight hundred fifty-seven million, six hundred ninety-eight thousand, eight hundred thirty-four".