48923980681 has 2 divisors, whose sum is σ = 48923980682. Its totient is φ = 48923980680.

The previous prime is 48923980607. The next prime is 48923980687. The reversal of 48923980681 is 18608932984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44150414400 + 4773566281 = 210120^2 + 69091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48923980681 is a prime.

It is a super-2 number, since 2×48923980681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48923980687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24461990340 + 24461990341.

It is an arithmetic number, because the mean of its divisors is an integer number (24461990341).

Almost surely, 2^48923980681 is an apocalyptic number.

It is an amenable number.

48923980681 is a deficient number, since it is larger than the sum of its proper divisors (1).

48923980681 is an equidigital number, since it uses as much as digits as its factorization.

48923980681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5971968, while the sum is 58.

The spelling of 48923980681 in words is "forty-eight billion, nine hundred twenty-three million, nine hundred eighty thousand, six hundred eighty-one".