17929492971 has 16 divisors (see below), whose sum is σ = 26575395840. Its totient is φ = 10677612960.

The previous prime is 17929492963. The next prime is 17929493011.

17929492971 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 17929492971 - 2³ = 17929492963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17929492171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7413801 + ... + 7416218.

It is an arithmetic number, because the mean of its divisors is an integer number (1660962240).

Almost surely, 2^17929492971 is an apocalyptic number.

17929492971 is a deficient number, since it is larger than the sum of its proper divisors (8645902869).

17929492971 is a wasteful number, since it uses less digits than its factorization.

17929492971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14830066.

The product of its digits is 5143824, while the sum is 60.

The spelling of 17929492971 in words is "seventeen billion, nine hundred twenty-nine million, four hundred ninety-two thousand, nine hundred seventy-one".