7366664399 has 2 divisors, whose sum is σ = 7366664400. Its totient is φ = 7366664398.

The previous prime is 7366664377. The next prime is 7366664423. The reversal of 7366664399 is 9934666637.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7366664399 - 2²⁴ = 7349887183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7366664309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3683332199 + 3683332200.

It is an arithmetic number, because the mean of its divisors is an integer number (3683332200).

Almost surely, 2^7366664399 is an apocalyptic number.

7366664399 is a deficient number, since it is larger than the sum of its proper divisors (1).

7366664399 is an equidigital number, since it uses as much as digits as its factorization.

7366664399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 59.

The square root of 7366664399 is about 85829.2747202258. The cubic root of 7366664399 is about 1945.7645876378.

The spelling of 7366664399 in words is "seven billion, three hundred sixty-six million, six hundred sixty-four thousand, three hundred ninety-nine".