48546179021 has 2 divisors, whose sum is σ = 48546179022. Its totient is φ = 48546179020.

The previous prime is 48546178991. The next prime is 48546179111. The reversal of 48546179021 is 12097164584.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48169275625 + 376903396 = 219475^2 + 19414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48546179021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48546179921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24273089510 + 24273089511.

It is an arithmetic number, because the mean of its divisors is an integer number (24273089511).

Almost surely, 2^48546179021 is an apocalyptic number.

It is an amenable number.

48546179021 is a deficient number, since it is larger than the sum of its proper divisors (1).

48546179021 is an equidigital number, since it uses as much as digits as its factorization.

48546179021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 48546179021 in words is "forty-eight billion, five hundred forty-six million, one hundred seventy-nine thousand, twenty-one".