14125621854 has 16 divisors (see below), whose sum is σ = 28420414848. Its totient is φ = 4680345432.

The previous prime is 14125621847. The next prime is 14125621889. The reversal of 14125621854 is 45812652141.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7047712 + ... + 7049715.

It is an arithmetic number, because the mean of its divisors is an integer number (1776275928).

Almost surely, 2^14125621854 is an apocalyptic number.

14125621854 is an abundant number, since it is smaller than the sum of its proper divisors (14294792994).

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

14125621854 is a wasteful number, since it uses less digits than its factorization.

14125621854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14097599.

The product of its digits is 76800, while the sum is 39.

The spelling of 14125621854 in words is "fourteen billion, one hundred twenty-five million, six hundred twenty-one thousand, eight hundred fifty-four".