7649994229 has 2 divisors, whose sum is σ = 7649994230. Its totient is φ = 7649994228.

The previous prime is 7649994227. The next prime is 7649994259. The reversal of 7649994229 is 9224999467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7139912004 + 510082225 = 84498^2 + 22585^2 .

It is a cyclic number.

It is not a de Polignac number, because 7649994229 - 2¹ = 7649994227 is a prime.

Together with 7649994227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7649994227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3824997114 + 3824997115.

It is an arithmetic number, because the mean of its divisors is an integer number (3824997115).

Almost surely, 2^7649994229 is an apocalyptic number.

It is an amenable number.

7649994229 is a deficient number, since it is larger than the sum of its proper divisors (1).

7649994229 is an equidigital number, since it uses as much as digits as its factorization.

7649994229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17635968, while the sum is 61.

The square root of 7649994229 is about 87464.2454320621. The cubic root of 7649994229 is about 1970.3968407857.

The spelling of 7649994229 in words is "seven billion, six hundred forty-nine million, nine hundred ninety-four thousand, two hundred twenty-nine".