44459517397 has 2 divisors, whose sum is σ = 44459517398. Its totient is φ = 44459517396.

The previous prime is 44459517317. The next prime is 44459517409. The reversal of 44459517397 is 79371595444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42472675921 + 1986841476 = 206089^2 + 44574^2 .

It is a cyclic number.

It is not a de Polignac number, because 44459517397 - 2³¹ = 42312033749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44459517317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22229758698 + 22229758699.

It is an arithmetic number, because the mean of its divisors is an integer number (22229758699).

Almost surely, 2^44459517397 is an apocalyptic number.

It is an amenable number.

44459517397 is a deficient number, since it is larger than the sum of its proper divisors (1).

44459517397 is an equidigital number, since it uses as much as digits as its factorization.

44459517397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19051200, while the sum is 58.

The spelling of 44459517397 in words is "forty-four billion, four hundred fifty-nine million, five hundred seventeen thousand, three hundred ninety-seven".