18491760339 has 32 divisors (see below), whose sum is σ = 26759276544. Its totient is φ = 11291011200.

The previous prime is 18491760337. The next prime is 18491760373. The reversal of 18491760339 is 93306719481.

It is not a de Polignac number, because 18491760339 - 2¹ = 18491760337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18491760291 and 18491760300.

It is not an unprimeable number, because it can be changed into a prime (18491760337) 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 31 ways as a sum of consecutive naturals, for example, 8084454 + ... + 8086740.

It is an arithmetic number, because the mean of its divisors is an integer number (836227392).

Almost surely, 2^18491760339 is an apocalyptic number.

18491760339 is a deficient number, since it is larger than the sum of its proper divisors (8267516205).

18491760339 is a wasteful number, since it uses less digits than its factorization.

18491760339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 18491760339 in words is "eighteen billion, four hundred ninety-one million, seven hundred sixty thousand, three hundred thirty-nine".