5657326091 has 2 divisors, whose sum is σ = 5657326092. Its totient is φ = 5657326090.

The previous prime is 5657326043. The next prime is 5657326093. The reversal of 5657326091 is 1906237565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5657326091 is a prime.

Together with 5657326093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5657326093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828663045 + 2828663046.

It is an arithmetic number, because the mean of its divisors is an integer number (2828663046).

Almost surely, 2^5657326091 is an apocalyptic number.

5657326091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5657326091 is an equidigital number, since it uses as much as digits as its factorization.

5657326091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 5657326091 is about 75215.1985372637. The cubic root of 5657326091 is about 1781.8469751573.

The spelling of 5657326091 in words is "five billion, six hundred fifty-seven million, three hundred twenty-six thousand, ninety-one".