17937795849 has 32 divisors (see below), whose sum is σ = 24846581760. Its totient is φ = 11503622592.

The previous prime is 17937795833. The next prime is 17937795851. The reversal of 17937795849 is 94859773971.

It is not a de Polignac number, because 17937795849 - 2⁴ = 17937795833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17937795859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2273299 + ... + 2281175.

It is an arithmetic number, because the mean of its divisors is an integer number (776455680).

Almost surely, 2^17937795849 is an apocalyptic number.

It is an amenable number.

17937795849 is a deficient number, since it is larger than the sum of its proper divisors (6908785911).

17937795849 is a wasteful number, since it uses less digits than its factorization.

17937795849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189.

The product of its digits is 120022560, while the sum is 69.

The spelling of 17937795849 in words is "seventeen billion, nine hundred thirty-seven million, seven hundred ninety-five thousand, eight hundred forty-nine".