4328238649 has 24 divisors (see below), whose sum is σ = 5151632640. Its totient is φ = 3624880896.

The previous prime is 4328238637. The next prime is 4328238667. The reversal of 4328238649 is 9468328234.

It is not a de Polignac number, because 4328238649 - 2²⁹ = 3791367737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (4328239649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369724 + ... + 381250.

It is an arithmetic number, because the mean of its divisors is an integer number (214651360).

Almost surely, 2^4328238649 is an apocalyptic number.

4328238649 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4328238649 is a deficient number, since it is larger than the sum of its proper divisors (823393991).

4328238649 is a wasteful number, since it uses less digits than its factorization.

4328238649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717 (or 11710 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

The square root of 4328238649 is about 65789.3505743901. The cubic root of 4328238649 is about 1629.6852427727.

The spelling of 4328238649 in words is "four billion, three hundred twenty-eight million, two hundred thirty-eight thousand, six hundred forty-nine".