7639092491 has 2 divisors, whose sum is σ = 7639092492. Its totient is φ = 7639092490.

The previous prime is 7639092457. The next prime is 7639092493. The reversal of 7639092491 is 1942909367.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7639092491 is a prime.

Together with 7639092493, 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 (7639092493) 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, 3819546245 + 3819546246.

It is an arithmetic number, because the mean of its divisors is an integer number (3819546246).

Almost surely, 2^7639092491 is an apocalyptic number.

7639092491 is a deficient number, since it is larger than the sum of its proper divisors (1).

7639092491 is an equidigital number, since it uses as much as digits as its factorization.

7639092491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 7639092491 is about 87401.9021017277. The cubic root of 7639092491 is about 1969.4604147188.

The spelling of 7639092491 in words is "seven billion, six hundred thirty-nine million, ninety-two thousand, four hundred ninety-one".