13959472973 has 8 divisors (see below), whose sum is σ = 15290295480. Its totient is φ = 12685281280.

The previous prime is 13959472927. The next prime is 13959472987. The reversal of 13959472973 is 37927495931.

It can be written as a sum of positive squares in 4 ways, for example, as 2548533289 + 11410939684 = 50483^2 + 106822^2 .

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 13959472973 - 2¹² = 13959468877 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 (13959472573) 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, 14157188 + ... + 14158173.

It is an arithmetic number, because the mean of its divisors is an integer number (1911286935).

Almost surely, 2^13959472973 is an apocalyptic number.

It is an amenable number.

13959472973 is a deficient number, since it is larger than the sum of its proper divisors (1330822507).

13959472973 is a wasteful number, since it uses less digits than its factorization.

13959472973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28315407.

The product of its digits is 12859560, while the sum is 59.

The spelling of 13959472973 in words is "thirteen billion, nine hundred fifty-nine million, four hundred seventy-two thousand, nine hundred seventy-three".