47491888984 has 8 divisors (see below), whose sum is σ = 89047291860. Its totient is φ = 23745944488.

The previous prime is 47491888973. The next prime is 47491889009. The reversal of 47491888984 is 48988819474.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2968243054 + ... + 2968243069.

Almost surely, 2^47491888984 is an apocalyptic number.

It is an amenable number.

47491888984 is a deficient number, since it is larger than the sum of its proper divisors (41555402876).

47491888984 is a wasteful number, since it uses less digits than its factorization.

47491888984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936486129 (or 5936486125 counting only the distinct ones).

The product of its digits is 148635648, while the sum is 70.

The spelling of 47491888984 in words is "forty-seven billion, four hundred ninety-one million, eight hundred eighty-eight thousand, nine hundred eighty-four".