44464420537 has 2 divisors, whose sum is σ = 44464420538. Its totient is φ = 44464420536.

The previous prime is 44464420411. The next prime is 44464420541. The reversal of 44464420537 is 73502446444.

It is a happy number.

44464420537 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., 32892900496 + 11571520041 = 181364^2 + 107571^2 .

It is a cyclic number.

It is not a de Polignac number, because 44464420537 - 2⁷ = 44464420409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44464420493 and 44464420502.

It is not a weakly prime, because it can be changed into another prime (44464420937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22232210268 + 22232210269.

It is an arithmetic number, because the mean of its divisors is an integer number (22232210269).

Almost surely, 2^44464420537 is an apocalyptic number.

It is an amenable number.

44464420537 is a deficient number, since it is larger than the sum of its proper divisors (1).

44464420537 is an equidigital number, since it uses as much as digits as its factorization.

44464420537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 43.

The spelling of 44464420537 in words is "forty-four billion, four hundred sixty-four million, four hundred twenty thousand, five hundred thirty-seven".