802795069421 has 2 divisors, whose sum is σ = 802795069422. Its totient is φ = 802795069420.

The previous prime is 802795069403. The next prime is 802795069441. The reversal of 802795069421 is 124960597208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580322480521 + 222472588900 = 761789^2 + 471670^2 .

It is a cyclic number.

It is not a de Polignac number, because 802795069421 - 2¹⁸ = 802794807277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802795069441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401397534710 + 401397534711.

It is an arithmetic number, because the mean of its divisors is an integer number (401397534711).

Almost surely, 2^802795069421 is an apocalyptic number.

It is an amenable number.

802795069421 is a deficient number, since it is larger than the sum of its proper divisors (1).

802795069421 is an equidigital number, since it uses as much as digits as its factorization.

802795069421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 802795069421 in words is "eight hundred two billion, seven hundred ninety-five million, sixty-nine thousand, four hundred twenty-one".