450040093 has 2 divisors, whose sum is σ = 450040094. Its totient is φ = 450040092.

The previous prime is 450040069. The next prime is 450040111. The reversal of 450040093 is 390040054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397882809 + 52157284 = 19947^2 + 7222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450040093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450040033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225020046 + 225020047.

It is an arithmetic number, because the mean of its divisors is an integer number (225020047).

Almost surely, 2^450040093 is an apocalyptic number.

It is an amenable number.

450040093 is a deficient number, since it is larger than the sum of its proper divisors (1).

450040093 is an equidigital number, since it uses as much as digits as its factorization.

450040093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 450040093 is about 21214.1484156211. The cubic root of 450040093 is about 766.3321899726.

The spelling of 450040093 in words is "four hundred fifty million, forty thousand, ninety-three".