794153021 has 2 divisors, whose sum is σ = 794153022. Its totient is φ = 794153020.

The previous prime is 794152991. The next prime is 794153093. The reversal of 794153021 is 120351497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 769452121 + 24700900 = 27739^2 + 4970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-794153021 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (794159021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397076510 + 397076511.

It is an arithmetic number, because the mean of its divisors is an integer number (397076511).

Almost surely, 2^794153021 is an apocalyptic number.

It is an amenable number.

794153021 is a deficient number, since it is larger than the sum of its proper divisors (1).

794153021 is an equidigital number, since it uses as much as digits as its factorization.

794153021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 794153021 is about 28180.7207324440. The cubic root of 794153021 is about 926.0506283866.

The spelling of 794153021 in words is "seven hundred ninety-four million, one hundred fifty-three thousand, twenty-one".