44499726013 has 2 divisors, whose sum is σ = 44499726014. Its totient is φ = 44499726012.

The previous prime is 44499725999. The next prime is 44499726049. The reversal of 44499726013 is 31062799444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33153854724 + 11345871289 = 182082^2 + 106517^2 .

It is a cyclic number.

It is not a de Polignac number, because 44499726013 - 2¹⁷ = 44499594941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44499726083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22249863006 + 22249863007.

It is an arithmetic number, because the mean of its divisors is an integer number (22249863007).

Almost surely, 2^44499726013 is an apocalyptic number.

It is an amenable number.

44499726013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44499726013 is an equidigital number, since it uses as much as digits as its factorization.

44499726013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 44499726013 in words is "forty-four billion, four hundred ninety-nine million, seven hundred twenty-six thousand, thirteen".