800634361451 has 4 divisors (see below), whose sum is σ = 804130581600. Its totient is φ = 797138141304.

The previous prime is 800634361393. The next prime is 800634361507. The reversal of 800634361451 is 154163436008.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800634361451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 800634361399 and 800634361408.

It is not an unprimeable number, because it can be changed into a prime (800634364451) 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, 1748109731 + ... + 1748110188.

It is an arithmetic number, because the mean of its divisors is an integer number (201032645400).

Almost surely, 2^800634361451 is an apocalyptic number.

800634361451 is a deficient number, since it is larger than the sum of its proper divisors (3496220149).

800634361451 is a wasteful number, since it uses less digits than its factorization.

800634361451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496220148.

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 800634361451 its reverse (154163436008), we get a palindrome (954797797459).

The spelling of 800634361451 in words is "eight hundred billion, six hundred thirty-four million, three hundred sixty-one thousand, four hundred fifty-one".