7140456443291 has 2 divisors, whose sum is σ = 7140456443292. Its totient is φ = 7140456443290.

The previous prime is 7140456443269. The next prime is 7140456443293. The reversal of 7140456443291 is 1923446540417.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7140456443291 is a prime.

It is a super-2 number, since 2×7140456443291² (a number of 27 digits) contains 22 as substring.

Together with 7140456443293, 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 (7140456443293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570228221645 + 3570228221646.

It is an arithmetic number, because the mean of its divisors is an integer number (3570228221646).

Almost surely, 2^{7140456443291} is an apocalyptic number.

7140456443291 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140456443291 is an equidigital number, since it uses as much as digits as its factorization.

7140456443291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 7140456443291 in words is "seven trillion, one hundred forty billion, four hundred fifty-six million, four hundred forty-three thousand, two hundred ninety-one".