450744551839 has 2 divisors, whose sum is σ = 450744551840. Its totient is φ = 450744551838.

The previous prime is 450744551809. The next prime is 450744551843. The reversal of 450744551839 is 938155447054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450744551839 - 2⁷ = 450744551711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450744551839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450744551809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225372275919 + 225372275920.

It is an arithmetic number, because the mean of its divisors is an integer number (225372275920).

Almost surely, 2^450744551839 is an apocalyptic number.

450744551839 is a deficient number, since it is larger than the sum of its proper divisors (1).

450744551839 is an equidigital number, since it uses as much as digits as its factorization.

450744551839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 450744551839 in words is "four hundred fifty billion, seven hundred forty-four million, five hundred fifty-one thousand, eight hundred thirty-nine".