18496490772943 has 16 divisors (see below), whose sum is σ = 18932358614400. Its totient is φ = 18066731993440.

The previous prime is 18496490772923. The next prime is 18496490773001. The reversal of 18496490772943 is 34927709469481.

It is a cyclic number.

It is not a de Polignac number, because 18496490772943 - 2²⁵ = 18496457218511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18496490772923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237133 + ... + 6086806.

It is an arithmetic number, because the mean of its divisors is an integer number (1183272413400).

Almost surely, 2^{18496490772943} is an apocalyptic number.

18496490772943 is a deficient number, since it is larger than the sum of its proper divisors (435867841457).

18496490772943 is a wasteful number, since it uses less digits than its factorization.

18496490772943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324422.

The product of its (nonzero) digits is 658409472, while the sum is 73.

The spelling of 18496490772943 in words is "eighteen trillion, four hundred ninety-six billion, four hundred ninety million, seven hundred seventy-two thousand, nine hundred forty-three".