47455664911 has 4 divisors (see below), whose sum is σ = 47485087272. Its totient is φ = 47426242552.

The previous prime is 47455664903. The next prime is 47455664939. The reversal of 47455664911 is 11946655474.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47455664911 - 2³ = 47455664903 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 (47455665911) 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, 14708761 + ... + 14711986.

It is an arithmetic number, because the mean of its divisors is an integer number (11871271818).

Almost surely, 2^47455664911 is an apocalyptic number.

47455664911 is a deficient number, since it is larger than the sum of its proper divisors (29422361).

47455664911 is a wasteful number, since it uses less digits than its factorization.

47455664911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29422360.

The product of its digits is 3628800, while the sum is 52.

The spelling of 47455664911 in words is "forty-seven billion, four hundred fifty-five million, six hundred sixty-four thousand, nine hundred eleven".