44868146957 has 2 divisors, whose sum is σ = 44868146958. Its totient is φ = 44868146956.

The previous prime is 44868146951. The next prime is 44868147053. The reversal of 44868146957 is 75964186844.

It is a happy number.

44868146957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23015620681 + 21852526276 = 151709^2 + 147826^2 .

It is a cyclic number.

It is not a de Polignac number, because 44868146957 - 2⁴ = 44868146941 is a prime.

It is a super-2 number, since 2×44868146957² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44868146957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44868146951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22434073478 + 22434073479.

It is an arithmetic number, because the mean of its divisors is an integer number (22434073479).

Almost surely, 2^44868146957 is an apocalyptic number.

It is an amenable number.

44868146957 is a deficient number, since it is larger than the sum of its proper divisors (1).

44868146957 is an equidigital number, since it uses as much as digits as its factorization.

44868146957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46448640, while the sum is 62.

The spelling of 44868146957 in words is "forty-four billion, eight hundred sixty-eight million, one hundred forty-six thousand, nine hundred fifty-seven".