4097791157 has 2 divisors, whose sum is σ = 4097791158. Its totient is φ = 4097791156.

The previous prime is 4097791109. The next prime is 4097791171. The reversal of 4097791157 is 7511977904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2387885956 + 1709905201 = 48866^2 + 41351^2 .

It is a cyclic number.

It is not a de Polignac number, because 4097791157 - 2²⁰ = 4096742581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4097791177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048895578 + 2048895579.

It is an arithmetic number, because the mean of its divisors is an integer number (2048895579).

Almost surely, 2^4097791157 is an apocalyptic number.

It is an amenable number.

4097791157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4097791157 is an equidigital number, since it uses as much as digits as its factorization.

4097791157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 555660, while the sum is 50.

The square root of 4097791157 is about 64013.9918845872. The cubic root of 4097791157 is about 1600.2331895802.

The spelling of 4097791157 in words is "four billion, ninety-seven million, seven hundred ninety-one thousand, one hundred fifty-seven".