449059491 has 32 divisors (see below), whose sum is σ = 694548800. Its totient is φ = 286467840.

The previous prime is 449059489. The next prime is 449059517. The reversal of 449059491 is 194950944.

It is not a de Polignac number, because 449059491 - 2¹ = 449059489 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449059411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57255 + ... + 64623.

It is an arithmetic number, because the mean of its divisors is an integer number (21704650).

Almost surely, 2^449059491 is an apocalyptic number.

449059491 is a deficient number, since it is larger than the sum of its proper divisors (245489309).

449059491 is a wasteful number, since it uses less digits than its factorization.

449059491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476 (or 7470 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 449059491 is about 21191.0238308582. The cubic root of 449059491 is about 765.7751926833.

The spelling of 449059491 in words is "four hundred forty-nine million, fifty-nine thousand, four hundred ninety-one".