44487216484309 has 2 divisors, whose sum is σ = 44487216484310. Its totient is φ = 44487216484308.

The previous prime is 44487216484289. The next prime is 44487216484327. The reversal of 44487216484309 is 90348461278444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43276728035025 + 1210488449284 = 6578505^2 + 1100222^2 .

It is a cyclic number.

It is not a de Polignac number, because 44487216484309 - 2²⁵ = 44487182929877 is a prime.

It is a super-2 number, since 2×44487216484309² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44487216482309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22243608242154 + 22243608242155.

It is an arithmetic number, because the mean of its divisors is an integer number (22243608242155).

Almost surely, 2^{44487216484309} is an apocalyptic number.

It is an amenable number.

44487216484309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44487216484309 is an equidigital number, since it uses as much as digits as its factorization.

44487216484309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148635648, while the sum is 64.

The spelling of 44487216484309 in words is "forty-four trillion, four hundred eighty-seven billion, two hundred sixteen million, four hundred eighty-four thousand, three hundred nine".