8570104421 has 2 divisors, whose sum is σ = 8570104422. Its totient is φ = 8570104420.

The previous prime is 8570104343. The next prime is 8570104457. The reversal of 8570104421 is 1244010758.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8540347396 + 29757025 = 92414^2 + 5455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8570104421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8570107421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4285052210 + 4285052211.

It is an arithmetic number, because the mean of its divisors is an integer number (4285052211).

Almost surely, 2^8570104421 is an apocalyptic number.

It is an amenable number.

8570104421 is a deficient number, since it is larger than the sum of its proper divisors (1).

8570104421 is an equidigital number, since it uses as much as digits as its factorization.

8570104421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 8570104421 is about 92574.8584714014. The cubic root of 8570104421 is about 2046.4228253242.

The spelling of 8570104421 in words is "eight billion, five hundred seventy million, one hundred four thousand, four hundred twenty-one".