44576421889 has 2 divisors, whose sum is σ = 44576421890. Its totient is φ = 44576421888.

The previous prime is 44576421853. The next prime is 44576421919. The reversal of 44576421889 is 98812467544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37471280625 + 7105141264 = 193575^2 + 84292^2 .

It is a cyclic number.

It is not a de Polignac number, because 44576421889 - 2⁹ = 44576421377 is a prime.

It is a super-2 number, since 2×44576421889² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44576421289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22288210944 + 22288210945.

It is an arithmetic number, because the mean of its divisors is an integer number (22288210945).

Almost surely, 2^44576421889 is an apocalyptic number.

It is an amenable number.

44576421889 is a deficient number, since it is larger than the sum of its proper divisors (1).

44576421889 is an equidigital number, since it uses as much as digits as its factorization.

44576421889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15482880, while the sum is 58.

The spelling of 44576421889 in words is "forty-four billion, five hundred seventy-six million, four hundred twenty-one thousand, eight hundred eighty-nine".