18054046813 has 12 divisors (see below), whose sum is σ = 19877816448. Its totient is φ = 16262076240.

The previous prime is 18054046783. The next prime is 18054046819. The reversal of 18054046813 is 31864045081.

It is not a de Polignac number, because 18054046813 - 2³³ = 9464112221 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 (18054046819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61620 + ... + 199762.

It is an arithmetic number, because the mean of its divisors is an integer number (1656484704).

Almost surely, 2^18054046813 is an apocalyptic number.

It is an amenable number.

18054046813 is a deficient number, since it is larger than the sum of its proper divisors (1823769635).

18054046813 is a wasteful number, since it uses less digits than its factorization.

18054046813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138372 (or 138263 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 18054046813 in words is "eighteen billion, fifty-four million, forty-six thousand, eight hundred thirteen".