800796734519 has 4 divisors (see below), whose sum is σ = 822439889544. Its totient is φ = 779153579496.

The previous prime is 800796734477. The next prime is 800796734533. The reversal of 800796734519 is 915437697008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 800796734519 - 2²⁴ = 800779957303 is a prime.

It is a super-2 number, since 2×800796734519² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800792734519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10821577457 + ... + 10821577530.

It is an arithmetic number, because the mean of its divisors is an integer number (205609972386).

Almost surely, 2^800796734519 is an apocalyptic number.

800796734519 is a deficient number, since it is larger than the sum of its proper divisors (21643155025).

800796734519 is a wasteful number, since it uses less digits than its factorization.

800796734519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21643155024.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 800796734519 in words is "eight hundred billion, seven hundred ninety-six million, seven hundred thirty-four thousand, five hundred nineteen".