48422491921 has 2 divisors, whose sum is σ = 48422491922. Its totient is φ = 48422491920.

The previous prime is 48422491907. The next prime is 48422491961. The reversal of 48422491921 is 12919422484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47321911296 + 1100580625 = 217536^2 + 33175^2 .

It is a cyclic number.

It is not a de Polignac number, because 48422491921 - 2¹¹ = 48422489873 is a prime.

It is not a weakly prime, because it can be changed into another prime (48422491961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24211245960 + 24211245961.

It is an arithmetic number, because the mean of its divisors is an integer number (24211245961).

Almost surely, 2^48422491921 is an apocalyptic number.

It is an amenable number.

48422491921 is a deficient number, since it is larger than the sum of its proper divisors (1).

48422491921 is an equidigital number, since it uses as much as digits as its factorization.

48422491921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 46.

The spelling of 48422491921 in words is "forty-eight billion, four hundred twenty-two million, four hundred ninety-one thousand, nine hundred twenty-one".