47138644536 has 16 divisors (see below), whose sum is σ = 117846611400. Its totient is φ = 15712881504.

The previous prime is 47138644523. The next prime is 47138644549. The reversal of 47138644536 is 63544683174.

It is an interprime number because it is at equal distance from previous prime (47138644523) and next prime (47138644549).

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 in 3 ways as a sum of consecutive naturals, for example, 982055071 + ... + 982055118.

Almost surely, 2^47138644536 is an apocalyptic number.

It is an amenable number.

47138644536 is an abundant number, since it is smaller than the sum of its proper divisors (70707966864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47138644536 is a wasteful number, since it uses less digits than its factorization.

47138644536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964110198 (or 1964110194 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 51.

The spelling of 47138644536 in words is "forty-seven billion, one hundred thirty-eight million, six hundred forty-four thousand, five hundred thirty-six".