13951453959 has 8 divisors (see below), whose sum is σ = 20668820720. Its totient is φ = 9300969288.

The previous prime is 13951453913. The next prime is 13951453961. The reversal of 13951453959 is 95935415931.

13951453959 is a `hidden beast` number, since 1 + 3 + 9 + 51 + 4 + 539 + 59 = 666.

It is not a de Polignac number, because 13951453959 - 2⁹ = 13951453447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13951453909) 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, 258360232 + ... + 258360285.

It is an arithmetic number, because the mean of its divisors is an integer number (2583602590).

Almost surely, 2^13951453959 is an apocalyptic number.

13951453959 is a deficient number, since it is larger than the sum of its proper divisors (6717366761).

13951453959 is an equidigital number, since it uses as much as digits as its factorization.

13951453959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516720526 (or 516720520 counting only the distinct ones).

The product of its digits is 3280500, while the sum is 54.

The spelling of 13951453959 in words is "thirteen billion, nine hundred fifty-one million, four hundred fifty-three thousand, nine hundred fifty-nine".