800136633613 has 2 divisors, whose sum is σ = 800136633614. Its totient is φ = 800136633612.

The previous prime is 800136633559. The next prime is 800136633631. The reversal of 800136633613 is 316336631008.

Together with next prime (800136633631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443771810244 + 356364823369 = 666162^2 + 596963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800136633613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800136633013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400068316806 + 400068316807.

It is an arithmetic number, because the mean of its divisors is an integer number (400068316807).

Almost surely, 2^800136633613 is an apocalyptic number.

It is an amenable number.

800136633613 is a deficient number, since it is larger than the sum of its proper divisors (1).

800136633613 is an equidigital number, since it uses as much as digits as its factorization.

800136633613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 800136633613 in words is "eight hundred billion, one hundred thirty-six million, six hundred thirty-three thousand, six hundred thirteen".