14028705531 has 6 divisors (see below), whose sum is σ = 20263685780. Its totient is φ = 9352470348.

The previous prime is 14028705527. The next prime is 14028705553. The reversal of 14028705531 is 13550782041.

14028705531 is a `hidden beast` number, since 1 + 40 + 2 + 87 + 0 + 5 + 531 = 666.

It is not a de Polignac number, because 14028705531 - 2² = 14028705527 is a prime.

It is a super-2 number, since 2×14028705531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14028705331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 779372521 + ... + 779372538.

Almost surely, 2^14028705531 is an apocalyptic number.

14028705531 is a deficient number, since it is larger than the sum of its proper divisors (6234980249).

14028705531 is a wasteful number, since it uses less digits than its factorization.

14028705531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558745065 (or 1558745062 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 14028705531 in words is "fourteen billion, twenty-eight million, seven hundred five thousand, five hundred thirty-one".