48044371681 has 2 divisors, whose sum is σ = 48044371682. Its totient is φ = 48044371680.

The previous prime is 48044371673. The next prime is 48044371723. The reversal of 48044371681 is 18617344084.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31598617600 + 16445754081 = 177760^2 + 128241^2 .

It is a cyclic number.

It is not a de Polignac number, because 48044371681 - 2³ = 48044371673 is a prime.

It is a super-2 number, since 2×48044371681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48044311681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24022185840 + 24022185841.

It is an arithmetic number, because the mean of its divisors is an integer number (24022185841).

Almost surely, 2^48044371681 is an apocalyptic number.

It is an amenable number.

48044371681 is a deficient number, since it is larger than the sum of its proper divisors (1).

48044371681 is an equidigital number, since it uses as much as digits as its factorization.

48044371681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 48044371681 in words is "forty-eight billion, forty-four million, three hundred seventy-one thousand, six hundred eighty-one".