18955359548 has 6 divisors (see below), whose sum is σ = 33171879216. Its totient is φ = 9477679772.

The previous prime is 18955359509. The next prime is 18955359559. The reversal of 18955359548 is 84595355981.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2369419940 + ... + 2369419947.

It is an arithmetic number, because the mean of its divisors is an integer number (5528646536).

Almost surely, 2^18955359548 is an apocalyptic number.

It is an amenable number.

18955359548 is a deficient number, since it is larger than the sum of its proper divisors (14216519668).

18955359548 is a wasteful number, since it uses less digits than its factorization.

18955359548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738839891 (or 4738839889 counting only the distinct ones).

The product of its digits is 38880000, while the sum is 62.

The spelling of 18955359548 in words is "eighteen billion, nine hundred fifty-five million, three hundred fifty-nine thousand, five hundred forty-eight".