47463656557 has 8 divisors (see below), whose sum is σ = 47655235584. Its totient is φ = 47272422288.

The previous prime is 47463656521. The next prime is 47463656561. The reversal of 47463656557 is 75565636474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47463656557 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 (47463656057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 191508 + ... + 362770.

It is an arithmetic number, because the mean of its divisors is an integer number (5956904448).

Almost surely, 2^47463656557 is an apocalyptic number.

It is an amenable number.

47463656557 is a deficient number, since it is larger than the sum of its proper divisors (191579027).

47463656557 is a wasteful number, since it uses less digits than its factorization.

47463656557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172379.

The product of its digits is 63504000, while the sum is 58.

The spelling of 47463656557 in words is "forty-seven billion, four hundred sixty-three million, six hundred fifty-six thousand, five hundred fifty-seven".