18889433962 has 32 divisors (see below), whose sum is σ = 32893112448. Its totient is φ = 7968632256.

The previous prime is 18889433957. The next prime is 18889433987. The reversal of 18889433962 is 26933498881.

It is a self number, because there is not a number n which added to its sum of digits gives 18889433962.

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 in 15 ways as a sum of consecutive naturals, for example, 195028 + ... + 275344.

It is an arithmetic number, because the mean of its divisors is an integer number (1027909764).

Almost surely, 2^18889433962 is an apocalyptic number.

18889433962 is a deficient number, since it is larger than the sum of its proper divisors (14003678486).

18889433962 is a wasteful number, since it uses less digits than its factorization.

18889433962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80590.

The product of its digits is 17915904, while the sum is 61.

The spelling of 18889433962 in words is "eighteen billion, eight hundred eighty-nine million, four hundred thirty-three thousand, nine hundred sixty-two".