449069366518 has 16 divisors (see below), whose sum is σ = 702910439136. Its totient is φ = 214766421760.

The previous prime is 449069366509. The next prime is 449069366567. The reversal of 449069366518 is 815663960944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894278 + ... + 2118118.

It is an arithmetic number, because the mean of its divisors is an integer number (43931902446).

Almost surely, 2^449069366518 is an apocalyptic number.

449069366518 is a deficient number, since it is larger than the sum of its proper divisors (253841072618).

449069366518 is a wasteful number, since it uses less digits than its factorization.

449069366518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267479.

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 449069366518 in words is "four hundred forty-nine billion, sixty-nine million, three hundred sixty-six thousand, five hundred eighteen".