47751482261 has 4 divisors (see below), whose sum is σ = 54573122592. Its totient is φ = 40929841932.

The previous prime is 47751482249. The next prime is 47751482279. The reversal of 47751482261 is 16228415774.

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 not a de Polignac number, because 47751482261 - 2⁶ = 47751482197 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 (47751482861) 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, 3410820155 + ... + 3410820168.

It is an arithmetic number, because the mean of its divisors is an integer number (13643280648).

Almost surely, 2^47751482261 is an apocalyptic number.

It is an amenable number.

47751482261 is a deficient number, since it is larger than the sum of its proper divisors (6821640331).

47751482261 is an equidigital number, since it uses as much as digits as its factorization.

47751482261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821640330.

The product of its digits is 752640, while the sum is 47.

The spelling of 47751482261 in words is "forty-seven billion, seven hundred fifty-one million, four hundred eighty-two thousand, two hundred sixty-one".