15479796017 has 4 divisors (see below), whose sum is σ = 17691195456. Its totient is φ = 13268396580.

The previous prime is 15479795999. The next prime is 15479796049. The reversal of 15479796017 is 71069797451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15479796017 - 2¹⁶ = 15479730481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15479796067) 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, 1105699709 + ... + 1105699722.

It is an arithmetic number, because the mean of its divisors is an integer number (4422798864).

Almost surely, 2^15479796017 is an apocalyptic number.

It is an amenable number.

15479796017 is a deficient number, since it is larger than the sum of its proper divisors (2211399439).

15479796017 is an equidigital number, since it uses as much as digits as its factorization.

15479796017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211399438.

The product of its (nonzero) digits is 3333960, while the sum is 56.

The spelling of 15479796017 in words is "fifteen billion, four hundred seventy-nine million, seven hundred ninety-six thousand, seventeen".