813340624851 has 6 divisors (see below), whose sum is σ = 1174825347020. Its totient is φ = 542227083228.

The previous prime is 813340624843. The next prime is 813340624853. The reversal of 813340624851 is 158426043318.

813340624851 is a `hidden beast` number, since 8 + 13 + 3 + 4 + 0 + 624 + 8 + 5 + 1 = 666.

It is not a de Polignac number, because 813340624851 - 2³ = 813340624843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 813340624797 and 813340624806.

It is not an unprimeable number, because it can be changed into a prime (813340624853) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 45185590261 + ... + 45185590278.

Almost surely, 2^813340624851 is an apocalyptic number.

813340624851 is a deficient number, since it is larger than the sum of its proper divisors (361484722169).

813340624851 is a wasteful number, since it uses less digits than its factorization.

813340624851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90371180545 (or 90371180542 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 813340624851 in words is "eight hundred thirteen billion, three hundred forty million, six hundred twenty-four thousand, eight hundred fifty-one".