2862640091 has 2 divisors, whose sum is σ = 2862640092. Its totient is φ = 2862640090.

The previous prime is 2862640061. The next prime is 2862640093. The reversal of 2862640091 is 1900462682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2862640091 is a prime.

Together with 2862640093, 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 (2862640093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431320045 + 1431320046.

It is an arithmetic number, because the mean of its divisors is an integer number (1431320046).

Almost surely, 2^2862640091 is an apocalyptic number.

2862640091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2862640091 is an equidigital number, since it uses as much as digits as its factorization.

2862640091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2862640091 is about 53503.6455860720. The cubic root of 2862640091 is about 1419.8928853607.

The spelling of 2862640091 in words is "two billion, eight hundred sixty-two million, six hundred forty thousand, ninety-one".