2991682097 has 2 divisors, whose sum is σ = 2991682098. Its totient is φ = 2991682096.

The previous prime is 2991682081. The next prime is 2991682159. The reversal of 2991682097 is 7902861992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2989464976 + 2217121 = 54676^2 + 1489^2 .

It is a cyclic number.

It is not a de Polignac number, because 2991682097 - 2⁴ = 2991682081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2991682697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495841048 + 1495841049.

It is an arithmetic number, because the mean of its divisors is an integer number (1495841049).

Almost surely, 2^2991682097 is an apocalyptic number.

It is an amenable number.

2991682097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2991682097 is an equidigital number, since it uses as much as digits as its factorization.

2991682097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 2991682097 is about 54696.2713262979. The cubic root of 2991682097 is about 1440.9153929260.

The spelling of 2991682097 in words is "two billion, nine hundred ninety-one million, six hundred eighty-two thousand, ninety-seven".