17932370849 has 4 divisors (see below), whose sum is σ = 17936633520. Its totient is φ = 17928108180.

The previous prime is 17932370839. The next prime is 17932370861. The reversal of 17932370849 is 94807323971.

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 17932370849 - 2²⁰ = 17931322273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17932370849.

It is not an unprimeable number, because it can be changed into a prime (17932370839) 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, 2125019 + ... + 2133440.

It is an arithmetic number, because the mean of its divisors is an integer number (4484158380).

Almost surely, 2^17932370849 is an apocalyptic number.

It is an amenable number.

17932370849 is a deficient number, since it is larger than the sum of its proper divisors (4262671).

17932370849 is an equidigital number, since it uses as much as digits as its factorization.

17932370849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262670.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 17932370849 in words is "seventeen billion, nine hundred thirty-two million, three hundred seventy thousand, eight hundred forty-nine".