44377009697 has 2 divisors, whose sum is σ = 44377009698. Its totient is φ = 44377009696.

The previous prime is 44377009687. The next prime is 44377009799. The reversal of 44377009697 is 79690077344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29493253696 + 14883756001 = 171736^2 + 121999^2 .

It is a cyclic number.

It is not a de Polignac number, because 44377009697 - 2¹⁸ = 44376747553 is a prime.

It is not a weakly prime, because it can be changed into another prime (44377009667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22188504848 + 22188504849.

It is an arithmetic number, because the mean of its divisors is an integer number (22188504849).

Almost surely, 2^44377009697 is an apocalyptic number.

It is an amenable number.

44377009697 is a deficient number, since it is larger than the sum of its proper divisors (1).

44377009697 is an equidigital number, since it uses as much as digits as its factorization.

44377009697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 56.

The spelling of 44377009697 in words is "forty-four billion, three hundred seventy-seven million, nine thousand, six hundred ninety-seven".