13479217961 has 8 divisors (see below), whose sum is σ = 14714923104. Its totient is φ = 12245233120.

The previous prime is 13479217957. The next prime is 13479217967. The reversal of 13479217961 is 16971297431.

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 13479217961 - 2² = 13479217957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13479217967) 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, 413660 + ... + 445053.

It is an arithmetic number, because the mean of its divisors is an integer number (1839365388).

Almost surely, 2^13479217961 is an apocalyptic number.

13479217961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13479217961 is a deficient number, since it is larger than the sum of its proper divisors (1235705143).

13479217961 is a wasteful number, since it uses less digits than its factorization.

13479217961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860151.

The product of its digits is 571536, while the sum is 50.

The spelling of 13479217961 in words is "thirteen billion, four hundred seventy-nine million, two hundred seventeen thousand, nine hundred sixty-one".