32992500091 has 2 divisors, whose sum is σ = 32992500092. Its totient is φ = 32992500090.

The previous prime is 32992500071. The next prime is 32992500131. The reversal of 32992500091 is 19000529923.

It is an a-pointer prime, because the next prime (32992500131) can be obtained adding 32992500091 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32992500091 - 2⁵ = 32992500059 is a prime.

It is not a weakly prime, because it can be changed into another prime (32992500061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16496250045 + 16496250046.

It is an arithmetic number, because the mean of its divisors is an integer number (16496250046).

Almost surely, 2^32992500091 is an apocalyptic number.

32992500091 is a deficient number, since it is larger than the sum of its proper divisors (1).

32992500091 is an equidigital number, since it uses as much as digits as its factorization.

32992500091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 32992500091 in words is "thirty-two billion, nine hundred ninety-two million, five hundred thousand, ninety-one".