10449816831865 has 16 divisors (see below), whose sum is σ = 13404134088576. Its totient is φ = 7801347875200.

The previous prime is 10449816831793. The next prime is 10449816831943. The reversal of 10449816831865 is 56813861894401.

It is not a de Polignac number, because 10449816831865 - 2⁷ = 10449816831737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10449816831797 and 10449816831806.

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, 1108141291 + ... + 1108150720.

It is an arithmetic number, because the mean of its divisors is an integer number (837758380536).

Almost surely, 2^{10449816831865} is an apocalyptic number.

It is an amenable number.

10449816831865 is a deficient number, since it is larger than the sum of its proper divisors (2954317256711).

10449816831865 is a wasteful number, since it uses less digits than its factorization.

10449816831865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216292080.

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 10449816831865 in words is "ten trillion, four hundred forty-nine billion, eight hundred sixteen million, eight hundred thirty-one thousand, eight hundred sixty-five".