449853812615 has 16 divisors (see below), whose sum is σ = 558945705600. Its totient is φ = 347158140672.

The previous prime is 449853812593. The next prime is 449853812621. The reversal of 449853812615 is 516218358944.

It is not a de Polignac number, because 449853812615 - 2²⁴ = 449837035399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246430 + ... + 1566299.

It is an arithmetic number, because the mean of its divisors is an integer number (34934106600).

Almost surely, 2^449853812615 is an apocalyptic number.

449853812615 is a deficient number, since it is larger than the sum of its proper divisors (109091892985).

449853812615 is a wasteful number, since it uses less digits than its factorization.

449853812615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813866.

The product of its digits is 8294400, while the sum is 56.

The spelling of 449853812615 in words is "four hundred forty-nine billion, eight hundred fifty-three million, eight hundred twelve thousand, six hundred fifteen".