18422629748 has 12 divisors (see below), whose sum is σ = 33936423360. Its totient is φ = 8726508792.

The previous prime is 18422629721. The next prime is 18422629759. The reversal of 18422629748 is 84792622481.

It is a self number, because there is not a number n which added to its sum of digits gives 18422629748.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121201436 + ... + 121201587.

It is an arithmetic number, because the mean of its divisors is an integer number (2828035280).

Almost surely, 2^18422629748 is an apocalyptic number.

It is an amenable number.

18422629748 is a deficient number, since it is larger than the sum of its proper divisors (15513793612).

18422629748 is a wasteful number, since it uses less digits than its factorization.

18422629748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242403046 (or 242403044 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The spelling of 18422629748 in words is "eighteen billion, four hundred twenty-two million, six hundred twenty-nine thousand, seven hundred forty-eight".