449571499 has 8 divisors (see below), whose sum is σ = 484484112. Its totient is φ = 414706080.

The previous prime is 449571487. The next prime is 449571509. The reversal of 449571499 is 994175944.

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 449571499 - 2²⁵ = 416017067 is a prime.

It is a super-2 number, since 2×449571499² = 404229065426214002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449571299) 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, 9417 + ... + 31429.

It is an arithmetic number, because the mean of its divisors is an integer number (60560514).

Almost surely, 2^449571499 is an apocalyptic number.

449571499 is a deficient number, since it is larger than the sum of its proper divisors (34912613).

449571499 is a wasteful number, since it uses less digits than its factorization.

449571499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23597.

The product of its digits is 1632960, while the sum is 52.

The square root of 449571499 is about 21203.1011646882. The cubic root of 449571499 is about 766.0661222907.

The spelling of 449571499 in words is "four hundred forty-nine million, five hundred seventy-one thousand, four hundred ninety-nine".