812385254410 has 16 divisors (see below), whose sum is σ = 1464185183976. Its totient is φ = 324533718208.

The previous prime is 812385254333. The next prime is 812385254413. The reversal of 812385254410 is 14452583218.

It can be written as a sum of positive squares in 4 ways, for example, as 160527634281 + 651857620129 = 400659^2 + 807377^2 .

It is not an unprimeable number, because it can be changed into a prime (812385254413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52539829 + ... + 52555288.

Almost surely, 2^812385254410 is an apocalyptic number.

812385254410 is a deficient number, since it is larger than the sum of its proper divisors (651799929566).

812385254410 is a wasteful number, since it uses less digits than its factorization.

812385254410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105095897.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 812385254410 in words is "eight hundred twelve billion, three hundred eighty-five million, two hundred fifty-four thousand, four hundred ten".