32297132291 has 2 divisors, whose sum is σ = 32297132292. Its totient is φ = 32297132290.

The previous prime is 32297132281. The next prime is 32297132299. The reversal of 32297132291 is 19223179223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32297132291 - 2³⁰ = 31223390467 is a prime.

It is not a weakly prime, because it can be changed into another prime (32297132299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16148566145 + 16148566146.

It is an arithmetic number, because the mean of its divisors is an integer number (16148566146).

Almost surely, 2^32297132291 is an apocalyptic number.

32297132291 is a deficient number, since it is larger than the sum of its proper divisors (1).

32297132291 is an equidigital number, since it uses as much as digits as its factorization.

32297132291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The spelling of 32297132291 in words is "thirty-two billion, two hundred ninety-seven million, one hundred thirty-two thousand, two hundred ninety-one".