4238997609 has 32 divisors (see below), whose sum is σ = 7062865920. Its totient is φ = 2197008000.

The previous prime is 4238997601. The next prime is 4238997613. The reversal of 4238997609 is 9067998324.

It is not a de Polignac number, because 4238997609 - 2³ = 4238997601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4238997601) 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 31 ways as a sum of consecutive naturals, for example, 80509 + ... + 122309.

It is an arithmetic number, because the mean of its divisors is an integer number (220714560).

Almost surely, 2^4238997609 is an apocalyptic number.

It is an amenable number.

4238997609 is a deficient number, since it is larger than the sum of its proper divisors (2823868311).

4238997609 is a wasteful number, since it uses less digits than its factorization.

4238997609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42261.

The product of its (nonzero) digits is 5878656, while the sum is 57.

The square root of 4238997609 is about 65107.5848807188. The cubic root of 4238997609 is about 1618.4069093463.

The spelling of 4238997609 in words is "four billion, two hundred thirty-eight million, nine hundred ninety-seven thousand, six hundred nine".