44209140797 has 2 divisors, whose sum is σ = 44209140798. Its totient is φ = 44209140796.

The previous prime is 44209140763. The next prime is 44209140821. The reversal of 44209140797 is 79704190244.

It is a happy number.

44209140797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36187072441 + 8022068356 = 190229^2 + 89566^2 .

It is a cyclic number.

It is not a de Polignac number, because 44209140797 - 2²⁴ = 44192363581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44209140757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22104570398 + 22104570399.

It is an arithmetic number, because the mean of its divisors is an integer number (22104570399).

Almost surely, 2^44209140797 is an apocalyptic number.

It is an amenable number.

44209140797 is a deficient number, since it is larger than the sum of its proper divisors (1).

44209140797 is an equidigital number, since it uses as much as digits as its factorization.

44209140797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 44209140797 in words is "forty-four billion, two hundred nine million, one hundred forty thousand, seven hundred ninety-seven".