7664268499 has 2 divisors, whose sum is σ = 7664268500. Its totient is φ = 7664268498.

The previous prime is 7664268481. The next prime is 7664268527. The reversal of 7664268499 is 9948624667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7664268499 - 2²¹ = 7662171347 is a prime.

It is not a weakly prime, because it can be changed into another prime (7664268299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3832134249 + 3832134250.

It is an arithmetic number, because the mean of its divisors is an integer number (3832134250).

Almost surely, 2^7664268499 is an apocalyptic number.

7664268499 is a deficient number, since it is larger than the sum of its proper divisors (1).

7664268499 is an equidigital number, since it uses as much as digits as its factorization.

7664268499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 61.

The square root of 7664268499 is about 87545.8080035818. The cubic root of 7664268499 is about 1971.6216129961.

The spelling of 7664268499 in words is "seven billion, six hundred sixty-four million, two hundred sixty-eight thousand, four hundred ninety-nine".