47641584121 has 2 divisors, whose sum is σ = 47641584122. Its totient is φ = 47641584120.

The previous prime is 47641584101. The next prime is 47641584127. The reversal of 47641584121 is 12148514674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26362068496 + 21279515625 = 162364^2 + 145875^2 .

It is a cyclic number.

It is not a de Polignac number, because 47641584121 - 2⁷ = 47641583993 is a prime.

It is not a weakly prime, because it can be changed into another prime (47641584127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23820792060 + 23820792061.

It is an arithmetic number, because the mean of its divisors is an integer number (23820792061).

Almost surely, 2^47641584121 is an apocalyptic number.

It is an amenable number.

47641584121 is a deficient number, since it is larger than the sum of its proper divisors (1).

47641584121 is an equidigital number, since it uses as much as digits as its factorization.

47641584121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 43.

The spelling of 47641584121 in words is "forty-seven billion, six hundred forty-one million, five hundred eighty-four thousand, one hundred twenty-one".