7971242683 has 2 divisors, whose sum is σ = 7971242684. Its totient is φ = 7971242682.

The previous prime is 7971242681. The next prime is 7971242801. The reversal of 7971242683 is 3862421797.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7971242683 - 2¹ = 7971242681 is a prime.

It is a super-2 number, since 2×7971242683² (a number of 21 digits) contains 22 as substring.

Together with 7971242681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7971242681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3985621341 + 3985621342.

It is an arithmetic number, because the mean of its divisors is an integer number (3985621342).

Almost surely, 2^7971242683 is an apocalyptic number.

7971242683 is a deficient number, since it is larger than the sum of its proper divisors (1).

7971242683 is an equidigital number, since it uses as much as digits as its factorization.

7971242683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 7971242683 is about 89281.8160825596. The cubic root of 7971242683 is about 1997.6006796987.

The spelling of 7971242683 in words is "seven billion, nine hundred seventy-one million, two hundred forty-two thousand, six hundred eighty-three".