7664690964719 has 2 divisors, whose sum is σ = 7664690964720. Its totient is φ = 7664690964718.

The previous prime is 7664690964617. The next prime is 7664690964737. The reversal of 7664690964719 is 9174690964667.

It is a strong prime.

It is an emirp because it is prime and its reverse (9174690964667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7664690964719 - 2¹⁶ = 7664690899183 is a prime.

It is a super-2 number, since 2×7664690964719² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7664690924719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3832345482359 + 3832345482360.

It is an arithmetic number, because the mean of its divisors is an integer number (3832345482360).

Almost surely, 2^{7664690964719} is an apocalyptic number.

7664690964719 is a deficient number, since it is larger than the sum of its proper divisors (1).

7664690964719 is an equidigital number, since it uses as much as digits as its factorization.

7664690964719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740710656, while the sum is 74.

The spelling of 7664690964719 in words is "seven trillion, six hundred sixty-four billion, six hundred ninety million, nine hundred sixty-four thousand, seven hundred nineteen".