18959362484 has 24 divisors (see below), whose sum is σ = 34643636160. Its totient is φ = 9061709184.

The previous prime is 18959362463. The next prime is 18959362519. The reversal of 18959362484 is 48426395981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80012 + ... + 210524.

It is an arithmetic number, because the mean of its divisors is an integer number (1443484840).

Almost surely, 2^18959362484 is an apocalyptic number.

It is an amenable number.

18959362484 is a deficient number, since it is larger than the sum of its proper divisors (15684273676).

18959362484 is a wasteful number, since it uses less digits than its factorization.

18959362484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132119 (or 132117 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 59.

The spelling of 18959362484 in words is "eighteen billion, nine hundred fifty-nine million, three hundred sixty-two thousand, four hundred eighty-four".