791869201 has 2 divisors, whose sum is σ = 791869202. Its totient is φ = 791869200.

The previous prime is 791869151. The next prime is 791869249. The reversal of 791869201 is 102968197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 628003600 + 163865601 = 25060^2 + 12801^2 .

It is an emirp because it is prime and its reverse (102968197) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-791869201 is a prime.

It is not a weakly prime, because it can be changed into another prime (791869501) 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, 395934600 + 395934601.

It is an arithmetic number, because the mean of its divisors is an integer number (395934601).

Almost surely, 2^791869201 is an apocalyptic number.

It is an amenable number.

791869201 is a deficient number, since it is larger than the sum of its proper divisors (1).

791869201 is an equidigital number, since it uses as much as digits as its factorization.

791869201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 791869201 is about 28140.1705929442. The cubic root of 791869201 is about 925.1620659788.

The spelling of 791869201 in words is "seven hundred ninety-one million, eight hundred sixty-nine thousand, two hundred one".