44402848681 has 2 divisors, whose sum is σ = 44402848682. Its totient is φ = 44402848680.

The previous prime is 44402848661. The next prime is 44402848691. The reversal of 44402848681 is 18684820444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43266080025 + 1136768656 = 208005^2 + 33716^2 .

It is a cyclic number.

It is not a de Polignac number, because 44402848681 - 2⁹ = 44402848169 is a prime.

It is a super-2 number, since 2×44402848681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44402848621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22201424340 + 22201424341.

It is an arithmetic number, because the mean of its divisors is an integer number (22201424341).

Almost surely, 2^44402848681 is an apocalyptic number.

It is an amenable number.

44402848681 is a deficient number, since it is larger than the sum of its proper divisors (1).

44402848681 is an equidigital number, since it uses as much as digits as its factorization.

44402848681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1572864, while the sum is 49.

The spelling of 44402848681 in words is "forty-four billion, four hundred two million, eight hundred forty-eight thousand, six hundred eighty-one".