44137434457 has 2 divisors, whose sum is σ = 44137434458. Its totient is φ = 44137434456.

The previous prime is 44137434391. The next prime is 44137434469. The reversal of 44137434457 is 75443473144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41459475456 + 2677959001 = 203616^2 + 51749^2 .

It is a cyclic number.

It is not a de Polignac number, because 44137434457 - 2⁷ = 44137434329 is a prime.

It is a super-2 number, since 2×44137434457² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44137434857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22068717228 + 22068717229.

It is an arithmetic number, because the mean of its divisors is an integer number (22068717229).

Almost surely, 2^44137434457 is an apocalyptic number.

It is an amenable number.

44137434457 is a deficient number, since it is larger than the sum of its proper divisors (1).

44137434457 is an equidigital number, since it uses as much as digits as its factorization.

44137434457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 46.

The spelling of 44137434457 in words is "forty-four billion, one hundred thirty-seven million, four hundred thirty-four thousand, four hundred fifty-seven".