17972576013 has 16 divisors (see below), whose sum is σ = 27399021056. Its totient is φ = 10265454000.

The previous prime is 17972576009. The next prime is 17972576023. The reversal of 17972576013 is 31067527971.

It is not a de Polignac number, because 17972576013 - 2² = 17972576009 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 (17972576023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142831 + ... + 237372.

It is an arithmetic number, because the mean of its divisors is an integer number (1712438816).

Almost surely, 2^17972576013 is an apocalyptic number.

It is an amenable number.

17972576013 is a deficient number, since it is larger than the sum of its proper divisors (9426445043).

17972576013 is a wasteful number, since it uses less digits than its factorization.

17972576013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382464.

The product of its (nonzero) digits is 555660, while the sum is 48.

The spelling of 17972576013 in words is "seventeen billion, nine hundred seventy-two million, five hundred seventy-six thousand, thirteen".