19413004171 has 24 divisors (see below), whose sum is σ = 22400179200. Its totient is φ = 16789225200.

The previous prime is 19413004147. The next prime is 19413004189. The reversal of 19413004171 is 17140031491.

It is not a de Polignac number, because 19413004171 - 2⁵ = 19413004139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19413004771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177450 + ... + 265168.

It is an arithmetic number, because the mean of its divisors is an integer number (933340800).

Almost surely, 2^19413004171 is an apocalyptic number.

19413004171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19413004171 is a deficient number, since it is larger than the sum of its proper divisors (2987175029).

19413004171 is a wasteful number, since it uses less digits than its factorization.

19413004171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87831 (or 87820 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 19413004171 in words is "nineteen billion, four hundred thirteen million, four thousand, one hundred seventy-one".