800045693 has 2 divisors, whose sum is σ = 800045694. Its totient is φ = 800045692.

The previous prime is 800045681. The next prime is 800045713. The reversal of 800045693 is 396540008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795973369 + 4072324 = 28213^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 800045693 - 2¹² = 800041597 is a prime.

It is a super-2 number, since 2×800045693² = 1280146221775700498, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800045093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400022846 + 400022847.

It is an arithmetic number, because the mean of its divisors is an integer number (400022847).

Almost surely, 2^800045693 is an apocalyptic number.

It is an amenable number.

800045693 is a deficient number, since it is larger than the sum of its proper divisors (1).

800045693 is an equidigital number, since it uses as much as digits as its factorization.

800045693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 800045693 is about 28285.0789816822. The cubic root of 800045693 is about 928.3354403960.

The spelling of 800045693 in words is "eight hundred million, forty-five thousand, six hundred ninety-three".