47956613761 has 4 divisors (see below), whose sum is σ = 54807558592. Its totient is φ = 41105668932.

The previous prime is 47956613737. The next prime is 47956613767. The reversal of 47956613761 is 16731665974.

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.

It is a cyclic number.

It is not a de Polignac number, because 47956613761 - 2⁷ = 47956613633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47956613767) 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 3 ways as a sum of consecutive naturals, for example, 3425472405 + ... + 3425472418.

It is an arithmetic number, because the mean of its divisors is an integer number (13701889648).

Almost surely, 2^47956613761 is an apocalyptic number.

It is an amenable number.

47956613761 is a deficient number, since it is larger than the sum of its proper divisors (6850944831).

47956613761 is an equidigital number, since it uses as much as digits as its factorization.

47956613761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850944830.

The product of its digits is 5715360, while the sum is 55.

The spelling of 47956613761 in words is "forty-seven billion, nine hundred fifty-six million, six hundred thirteen thousand, seven hundred sixty-one".