18654254913 has 16 divisors (see below), whose sum is σ = 28701510656. Its totient is φ = 10556082000.

The previous prime is 18654254909. The next prime is 18654254923. The reversal of 18654254913 is 31945245681.

It is not a de Polignac number, because 18654254913 - 2² = 18654254909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18654254923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4309963 + ... + 4314288.

It is an arithmetic number, because the mean of its divisors is an integer number (1793844416).

Almost surely, 2^18654254913 is an apocalyptic number.

It is an amenable number.

18654254913 is a deficient number, since it is larger than the sum of its proper divisors (10047255743).

18654254913 is a wasteful number, since it uses less digits than its factorization.

18654254913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8624364.

The product of its digits is 1036800, while the sum is 48.

The spelling of 18654254913 in words is "eighteen billion, six hundred fifty-four million, two hundred fifty-four thousand, nine hundred thirteen".