4291163257 has 2 divisors, whose sum is σ = 4291163258. Its totient is φ = 4291163256.

The previous prime is 4291163231. The next prime is 4291163269. The reversal of 4291163257 is 7523611924.

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., 4057562601 + 233600656 = 63699^2 + 15284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4291163257 is a prime.

It is not a weakly prime, because it can be changed into another prime (4291163287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145581628 + 2145581629.

It is an arithmetic number, because the mean of its divisors is an integer number (2145581629).

Almost surely, 2^4291163257 is an apocalyptic number.

It is an amenable number.

4291163257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4291163257 is an equidigital number, since it uses as much as digits as its factorization.

4291163257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 4291163257 is about 65506.9710565219. The cubic root of 4291163257 is about 1625.0186357784.

The spelling of 4291163257 in words is "four billion, two hundred ninety-one million, one hundred sixty-three thousand, two hundred fifty-seven".