450121070757321 has 6 divisors (see below), whose sum is σ = 650174879982810. Its totient is φ = 300080713838208.

The previous prime is 450121070757317. The next prime is 450121070757389. The reversal of 450121070757321 is 123757070121054.

450121070757321 is a `hidden beast` number, since 4 + 5 + 0 + 1 + 2 + 1 + 0 + 70 + 7 + 573 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 423844538625225 + 26276532132096 = 20587485^2 + 5126064^2 .

It is not a de Polignac number, because 450121070757321 - 2² = 450121070757317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450121070747321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25006726153176 + ... + 25006726153193.

It is an arithmetic number, because the mean of its divisors is an integer number (108362479997135).

Almost surely, 2^{450121070757321} is an apocalyptic number.

It is an amenable number.

450121070757321 is a deficient number, since it is larger than the sum of its proper divisors (200053809225489).

450121070757321 is a wasteful number, since it uses less digits than its factorization.

450121070757321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50013452306375 (or 50013452306372 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The spelling of 450121070757321 in words is "four hundred fifty trillion, one hundred twenty-one billion, seventy million, seven hundred fifty-seven thousand, three hundred twenty-one".