47722656431 has 2 divisors, whose sum is σ = 47722656432. Its totient is φ = 47722656430.

The previous prime is 47722656427. The next prime is 47722656467. The reversal of 47722656431 is 13465622774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47722656431 - 2² = 47722656427 is a prime.

It is a super-2 number, since 2×47722656431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47722656031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23861328215 + 23861328216.

It is an arithmetic number, because the mean of its divisors is an integer number (23861328216).

Almost surely, 2^47722656431 is an apocalyptic number.

47722656431 is a deficient number, since it is larger than the sum of its proper divisors (1).

47722656431 is an equidigital number, since it uses as much as digits as its factorization.

47722656431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 47.

The spelling of 47722656431 in words is "forty-seven billion, seven hundred twenty-two million, six hundred fifty-six thousand, four hundred thirty-one".