44968725981 has 12 divisors (see below), whose sum is σ = 64957199580. Its totient is φ = 29978055360.

The previous prime is 44968725979. The next prime is 44968725983. The reversal of 44968725981 is 18952786944.

44968725981 is a `hidden beast` number, since 449 + 6 + 87 + 25 + 98 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (44968725979) and next prime (44968725983).

It can be written as a sum of positive squares in 2 ways, for example, as 39773920356 + 5194805625 = 199434^2 + 72075^2 .

It is not a de Polignac number, because 44968725981 - 2¹ = 44968725979 is a prime.

It is a super-2 number, since 2×44968725981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44968725983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227251 + ... + 376271.

It is an arithmetic number, because the mean of its divisors is an integer number (5413099965).

Almost surely, 2^44968725981 is an apocalyptic number.

It is an amenable number.

44968725981 is a deficient number, since it is larger than the sum of its proper divisors (19988473599).

44968725981 is a wasteful number, since it uses less digits than its factorization.

44968725981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182556 (or 182553 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 44968725981 in words is "forty-four billion, nine hundred sixty-eight million, seven hundred twenty-five thousand, nine hundred eighty-one".