450059913 has 6 divisors (see below), whose sum is σ = 650086554. Its totient is φ = 300039936.

The previous prime is 450059893. The next prime is 450059923. The reversal of 450059913 is 319950054.

450059913 is a `hidden beast` number, since 4 + 50 + 0 + 599 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 328443129 + 121616784 = 18123^2 + 11028^2 .

It is not a de Polignac number, because 450059913 - 2⁸ = 450059657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450059923) 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, 25003320 + ... + 25003337.

It is an arithmetic number, because the mean of its divisors is an integer number (108347759).

Almost surely, 2^450059913 is an apocalyptic number.

It is an amenable number.

450059913 is a deficient number, since it is larger than the sum of its proper divisors (200026641).

450059913 is a wasteful number, since it uses less digits than its factorization.

450059913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50006663 (or 50006660 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 450059913 is about 21214.6155515484. The cubic root of 450059913 is about 766.3434396970.

The spelling of 450059913 in words is "four hundred fifty million, fifty-nine thousand, nine hundred thirteen".