4330638049 has 4 divisors (see below), whose sum is σ = 4330774036. Its totient is φ = 4330502064.

The previous prime is 4330638029. The next prime is 4330638097. The reversal of 4330638049 is 9408360334.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 398721024 + 3931917025 = 19968^2 + 62705^2 .

It is a cyclic number.

It is not a de Polignac number, because 4330638049 - 2⁷ = 4330637921 is a prime.

It is a super-2 number, since 2×4330638049² = 37508851822893052802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4330638029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8347 + ... + 93439.

It is an arithmetic number, because the mean of its divisors is an integer number (1082693509).

Almost surely, 2^4330638049 is an apocalyptic number.

It is an amenable number.

4330638049 is a deficient number, since it is larger than the sum of its proper divisors (135987).

4330638049 is an equidigital number, since it uses as much as digits as its factorization.

4330638049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135986.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 4330638049 is about 65807.5835219620. The cubic root of 4330638049 is about 1629.9863309479.

The spelling of 4330638049 in words is "four billion, three hundred thirty million, six hundred thirty-eight thousand, forty-nine".