7649830999 has 2 divisors, whose sum is σ = 7649831000. Its totient is φ = 7649830998.

The previous prime is 7649830987. The next prime is 7649831023. The reversal of 7649830999 is 9990389467.

It is a weak prime.

It is an emirp because it is prime and its reverse (9990389467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7649830999 - 2²⁵ = 7616276567 is a prime.

It is a super-2 number, since 2×7649830999² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7649830999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7649834999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3824915499 + 3824915500.

It is an arithmetic number, because the mean of its divisors is an integer number (3824915500).

Almost surely, 2^7649830999 is an apocalyptic number.

7649830999 is a deficient number, since it is larger than the sum of its proper divisors (1).

7649830999 is an equidigital number, since it uses as much as digits as its factorization.

7649830999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26453952, while the sum is 64.

The square root of 7649830999 is about 87463.3123029308. The cubic root of 7649830999 is about 1970.3828263889.

The spelling of 7649830999 in words is "seven billion, six hundred forty-nine million, eight hundred thirty thousand, nine hundred ninety-nine".