47711963921 has 16 divisors (see below), whose sum is σ = 51219342720. Its totient is φ = 44286739200.

The previous prime is 47711963909. The next prime is 47711963939. The reversal of 47711963921 is 12936911774.

It is a cyclic number.

It is not a de Polignac number, because 47711963921 - 2²⁶ = 47644855057 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 47711963921.

It is not an unprimeable number, because it can be changed into a prime (47711966921) 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 15 ways as a sum of consecutive naturals, for example, 289955 + ... + 423671.

It is an arithmetic number, because the mean of its divisors is an integer number (3201208920).

Almost surely, 2^47711963921 is an apocalyptic number.

It is an amenable number.

47711963921 is a deficient number, since it is larger than the sum of its proper divisors (3507378799).

47711963921 is a wasteful number, since it uses less digits than its factorization.

47711963921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134024.

The product of its digits is 571536, while the sum is 50.

The spelling of 47711963921 in words is "forty-seven billion, seven hundred eleven million, nine hundred sixty-three thousand, nine hundred twenty-one".