48814345681 has 2 divisors, whose sum is σ = 48814345682. Its totient is φ = 48814345680.

The previous prime is 48814345637. The next prime is 48814345813. The reversal of 48814345681 is 18654341884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48052585681 + 761760000 = 219209^2 + 27600^2 .

It is a cyclic number.

It is not a de Polignac number, because 48814345681 - 2⁹ = 48814345169 is a prime.

It is a super-2 number, since 2×48814345681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48814345621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24407172840 + 24407172841.

It is an arithmetic number, because the mean of its divisors is an integer number (24407172841).

Almost surely, 2^48814345681 is an apocalyptic number.

It is an amenable number.

48814345681 is a deficient number, since it is larger than the sum of its proper divisors (1).

48814345681 is an equidigital number, since it uses as much as digits as its factorization.

48814345681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2949120, while the sum is 52.

The spelling of 48814345681 in words is "forty-eight billion, eight hundred fourteen million, three hundred forty-five thousand, six hundred eighty-one".