44542963889 has 2 divisors, whose sum is σ = 44542963890. Its totient is φ = 44542963888.

The previous prime is 44542963813. The next prime is 44542963921. The reversal of 44542963889 is 98836924544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43600780864 + 942183025 = 208808^2 + 30695^2 .

It is a cyclic number.

It is not a de Polignac number, because 44542963889 - 2¹⁶ = 44542898353 is a prime.

It is not a weakly prime, because it can be changed into another prime (44542963189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22271481944 + 22271481945.

It is an arithmetic number, because the mean of its divisors is an integer number (22271481945).

Almost surely, 2^44542963889 is an apocalyptic number.

It is an amenable number.

44542963889 is a deficient number, since it is larger than the sum of its proper divisors (1).

44542963889 is an equidigital number, since it uses as much as digits as its factorization.

44542963889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59719680, while the sum is 62.

The spelling of 44542963889 in words is "forty-four billion, five hundred forty-two million, nine hundred sixty-three thousand, eight hundred eighty-nine".