10951431939 has 48 divisors (see below), whose sum is σ = 18946283200. Its totient is φ = 6088763520.

The previous prime is 10951431901. The next prime is 10951431973. The reversal of 10951431939 is 93913415901.

10951431939 is a `hidden beast` number, since 10 + 9 + 514 + 31 + 93 + 9 = 666.

It is not a de Polignac number, because 10951431939 - 2¹¹ = 10951429891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10951431894 and 10951431903.

It is not an unprimeable number, because it can be changed into a prime (10951431839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66279 + ... + 162159.

Almost surely, 2^10951431939 is an apocalyptic number.

10951431939 is a deficient number, since it is larger than the sum of its proper divisors (7994851261).

10951431939 is an equidigital number, since it uses as much as digits as its factorization.

10951431939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95945 (or 95928 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 10951431939 in words is "ten billion, nine hundred fifty-one million, four hundred thirty-one thousand, nine hundred thirty-nine".