13460979971 has 4 divisors (see below), whose sum is σ = 13467655752. Its totient is φ = 13454304192.

The previous prime is 13460979949. The next prime is 13460979979. The reversal of 13460979971 is 17997906431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17997906431 = 107 ⋅168204733.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13460979971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13460979979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3334865 + ... + 3338898.

It is an arithmetic number, because the mean of its divisors is an integer number (3366913938).

Almost surely, 2^13460979971 is an apocalyptic number.

13460979971 is a deficient number, since it is larger than the sum of its proper divisors (6675781).

13460979971 is an equidigital number, since it uses as much as digits as its factorization.

13460979971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675780.

The product of its (nonzero) digits is 2571912, while the sum is 56.

The spelling of 13460979971 in words is "thirteen billion, four hundred sixty million, nine hundred seventy-nine thousand, nine hundred seventy-one".