450712899 has 96 divisors (see below), whose sum is σ = 850397184. Its totient is φ = 223534080.

The previous prime is 450712897. The next prime is 450712903. The reversal of 450712899 is 998217054.

It is a Cunningham number, because it is equal to 21230²-1.

It is not a de Polignac number, because 450712899 - 2¹ = 450712897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450712897) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1337259 + ... + 1337595.

It is an arithmetic number, because the mean of its divisors is an integer number (8858304).

Almost surely, 2^450712899 is an apocalyptic number.

450712899 is a deficient number, since it is larger than the sum of its proper divisors (399684285).

450712899 is a wasteful number, since it uses less digits than its factorization.

450712899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 450712899 is about 21229.9999764484. Note that the first 4 decimals coincide. The cubic root of 450712899 is about 766.7138864636.

The spelling of 450712899 in words is "four hundred fifty million, seven hundred twelve thousand, eight hundred ninety-nine".