7970335643 has 2 divisors, whose sum is σ = 7970335644. Its totient is φ = 7970335642.

The previous prime is 7970335619. The next prime is 7970335691. The reversal of 7970335643 is 3465330797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7970335643 - 2¹² = 7970331547 is a prime.

It is not a weakly prime, because it can be changed into another prime (7970335943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3985167821 + 3985167822.

It is an arithmetic number, because the mean of its divisors is an integer number (3985167822).

Almost surely, 2^7970335643 is an apocalyptic number.

7970335643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7970335643 is an equidigital number, since it uses as much as digits as its factorization.

7970335643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 47.

The square root of 7970335643 is about 89276.7362922727. The cubic root of 7970335643 is about 1997.5249084745.

The spelling of 7970335643 in words is "seven billion, nine hundred seventy million, three hundred thirty-five thousand, six hundred forty-three".