47423611481 has 2 divisors, whose sum is σ = 47423611482. Its totient is φ = 47423611480.

The previous prime is 47423611457. The next prime is 47423611493. The reversal of 47423611481 is 18411632474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32583499081 + 14840112400 = 180509^2 + 121820^2 .

It is a cyclic number.

It is not a de Polignac number, because 47423611481 - 2²⁶ = 47356502617 is a prime.

It is a super-2 number, since 2×47423611481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47423611181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23711805740 + 23711805741.

It is an arithmetic number, because the mean of its divisors is an integer number (23711805741).

Almost surely, 2^47423611481 is an apocalyptic number.

It is an amenable number.

47423611481 is a deficient number, since it is larger than the sum of its proper divisors (1).

47423611481 is an equidigital number, since it uses as much as digits as its factorization.

47423611481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The spelling of 47423611481 in words is "forty-seven billion, four hundred twenty-three million, six hundred eleven thousand, four hundred eighty-one".