44385856429 has 2 divisors, whose sum is σ = 44385856430. Its totient is φ = 44385856428.

The previous prime is 44385856369. The next prime is 44385856441. The reversal of 44385856429 is 92465858344.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36988136329 + 7397720100 = 192323^2 + 86010^2 .

It is a cyclic number.

It is not a de Polignac number, because 44385856429 - 2¹³ = 44385848237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44385856499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22192928214 + 22192928215.

It is an arithmetic number, because the mean of its divisors is an integer number (22192928215).

Almost surely, 2^44385856429 is an apocalyptic number.

It is an amenable number.

44385856429 is a deficient number, since it is larger than the sum of its proper divisors (1).

44385856429 is an equidigital number, since it uses as much as digits as its factorization.

44385856429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33177600, while the sum is 58.

The spelling of 44385856429 in words is "forty-four billion, three hundred eighty-five million, eight hundred fifty-six thousand, four hundred twenty-nine".