13951937465 has 8 divisors (see below), whose sum is σ = 16743196680. Its totient is φ = 11160968832.

The previous prime is 13951937453. The next prime is 13951937513. The reversal of 13951937465 is 56473915931.

It can be written as a sum of positive squares in 4 ways, for example, as 9083805481 + 4868131984 = 95309^2 + 69772^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13951937465 - 2³⁰ = 12878195641 is a prime.

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, 52631 + ... + 175139.

It is an arithmetic number, because the mean of its divisors is an integer number (2092899585).

Almost surely, 2^13951937465 is an apocalyptic number.

It is an amenable number.

13951937465 is a deficient number, since it is larger than the sum of its proper divisors (2791259215).

13951937465 is a wasteful number, since it uses less digits than its factorization.

13951937465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145291.

The product of its digits is 3061800, while the sum is 53.

The spelling of 13951937465 in words is "thirteen billion, nine hundred fifty-one million, nine hundred thirty-seven thousand, four hundred sixty-five".