47012475637 has 4 divisors (see below), whose sum is σ = 49486816480. Its totient is φ = 44538134796.

The previous prime is 47012475593. The next prime is 47012475649. The reversal of 47012475637 is 73657421074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73657421074 = 2 ⋅36828710537.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47012475637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47012425637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237170393 + ... + 1237170430.

It is an arithmetic number, because the mean of its divisors is an integer number (12371704120).

Almost surely, 2^47012475637 is an apocalyptic number.

It is an amenable number.

47012475637 is a deficient number, since it is larger than the sum of its proper divisors (2474340843).

47012475637 is a wasteful number, since it uses less digits than its factorization.

47012475637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474340842.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 47012475637 in words is "forty-seven billion, twelve million, four hundred seventy-five thousand, six hundred thirty-seven".