45944594447 has 2 divisors, whose sum is σ = 45944594448. Its totient is φ = 45944594446.

The previous prime is 45944594419. The next prime is 45944594503. The reversal of 45944594447 is 74449544954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45944594447 - 2⁸ = 45944594191 is a prime.

It is a super-2 number, since 2×45944594447² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45944594407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22972297223 + 22972297224.

It is an arithmetic number, because the mean of its divisors is an integer number (22972297224).

Almost surely, 2^45944594447 is an apocalyptic number.

45944594447 is a deficient number, since it is larger than the sum of its proper divisors (1).

45944594447 is an equidigital number, since it uses as much as digits as its factorization.

45944594447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58060800, while the sum is 59.

The spelling of 45944594447 in words is "forty-five billion, nine hundred forty-four million, five hundred ninety-four thousand, four hundred forty-seven".