810944283513 has 48 divisors (see below), whose sum is σ = 1367695545216. Its totient is φ = 423597807360.

The previous prime is 810944283467. The next prime is 810944283533. The reversal of 810944283513 is 315382449018.

810944283513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 810944283513 - 2¹² = 810944279417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (810944283533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1863148 + ... + 2256813.

It is an arithmetic number, because the mean of its divisors is an integer number (28493657192).

Almost surely, 2^810944283513 is an apocalyptic number.

It is an amenable number.

810944283513 is a deficient number, since it is larger than the sum of its proper divisors (556751261703).

810944283513 is a wasteful number, since it uses less digits than its factorization.

810944283513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120094 (or 4120087 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 810944283513 in words is "eight hundred ten billion, nine hundred forty-four million, two hundred eighty-three thousand, five hundred thirteen".