7649479829 has 4 divisors (see below), whose sum is σ = 7657714860. Its totient is φ = 7641244800.

The previous prime is 7649479813. The next prime is 7649479853. The reversal of 7649479829 is 9289749467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9289749467 = 17 ⋅546455851.

It can be written as a sum of positive squares in 2 ways, for example, as 1754772100 + 5894707729 = 41890^2 + 76777^2 .

It is a cyclic number.

It is not a de Polignac number, because 7649479829 - 2⁴ = 7649479813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649479889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4116122 + ... + 4117979.

It is an arithmetic number, because the mean of its divisors is an integer number (1914428715).

Almost surely, 2^7649479829 is an apocalyptic number.

It is an amenable number.

7649479829 is a deficient number, since it is larger than the sum of its proper divisors (8235031).

7649479829 is an equidigital number, since it uses as much as digits as its factorization.

7649479829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235030.

The product of its digits is 54867456, while the sum is 65.

The square root of 7649479829 is about 87461.3047524447. The cubic root of 7649479829 is about 1970.3526753992.

The spelling of 7649479829 in words is "seven billion, six hundred forty-nine million, four hundred seventy-nine thousand, eight hundred twenty-nine".