47523446913 has 4 divisors (see below), whose sum is σ = 63364595888. Its totient is φ = 31682297940.

The previous prime is 47523446903. The next prime is 47523447001. The reversal of 47523446913 is 31964432574.

It is a happy number.

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 47523446913 - 2⁵ = 47523446881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47523446903) 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, 7920574483 + ... + 7920574488.

It is an arithmetic number, because the mean of its divisors is an integer number (15841148972).

Almost surely, 2^47523446913 is an apocalyptic number.

It is an amenable number.

47523446913 is a deficient number, since it is larger than the sum of its proper divisors (15841148975).

47523446913 is a wasteful number, since it uses less digits than its factorization.

47523446913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15841148974.

The product of its digits is 2177280, while the sum is 48.

The spelling of 47523446913 in words is "forty-seven billion, five hundred twenty-three million, four hundred forty-six thousand, nine hundred thirteen".