444487487429 has 2 divisors, whose sum is σ = 444487487430. Its totient is φ = 444487487428.

The previous prime is 444487487399. The next prime is 444487487449. The reversal of 444487487429 is 924784784444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387568502500 + 56918984929 = 622550^2 + 238577^2 .

It is a cyclic number.

It is not a de Polignac number, because 444487487429 - 2²⁴ = 444470710213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444487487449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222243743714 + 222243743715.

It is an arithmetic number, because the mean of its divisors is an integer number (222243743715).

Almost surely, 2^444487487429 is an apocalyptic number.

It is an amenable number.

444487487429 is a deficient number, since it is larger than the sum of its proper divisors (1).

444487487429 is an equidigital number, since it uses as much as digits as its factorization.

444487487429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 231211008, while the sum is 65.

The spelling of 444487487429 in words is "four hundred forty-four billion, four hundred eighty-seven million, four hundred eighty-seven thousand, four hundred twenty-nine".