47903457137 has 4 divisors (see below), whose sum is σ = 47926456560. Its totient is φ = 47880457716.

The previous prime is 47903457083. The next prime is 47903457163. The reversal of 47903457137 is 73175430974.

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: 73175430974 = 2 ⋅36587715487.

It is a cyclic number.

It is not a de Polignac number, because 47903457137 - 2³⁰ = 46829715313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47903457187) 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, 11496587 + ... + 11500752.

It is an arithmetic number, because the mean of its divisors is an integer number (11981614140).

Almost surely, 2^47903457137 is an apocalyptic number.

It is an amenable number.

47903457137 is a deficient number, since it is larger than the sum of its proper divisors (22999423).

47903457137 is a wasteful number, since it uses less digits than its factorization.

47903457137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22999422.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 47903457137 in words is "forty-seven billion, nine hundred three million, four hundred fifty-seven thousand, one hundred thirty-seven".