450721099 has 8 divisors (see below), whose sum is σ = 455626080. Its totient is φ = 445826496.

The previous prime is 450721093. The next prime is 450721111. The reversal of 450721099 is 990127054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450721099 - 2³ = 450721091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450721091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110997 + ... + 114985.

It is an arithmetic number, because the mean of its divisors is an integer number (56953260).

Almost surely, 2^450721099 is an apocalyptic number.

450721099 is a deficient number, since it is larger than the sum of its proper divisors (4904981).

450721099 is a wasteful number, since it uses less digits than its factorization.

450721099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 450721099 is about 21230.1930985095. The cubic root of 450721099 is about 766.7185361462.

The spelling of 450721099 in words is "four hundred fifty million, seven hundred twenty-one thousand, ninety-nine".