4949493939 has 24 divisors (see below), whose sum is σ = 8104438160. Its totient is φ = 2885533632.

The previous prime is 4949493889. The next prime is 4949493943. The reversal of 4949493939 is 9393949494.

It is not a de Polignac number, because 4949493939 - 2⁸ = 4949493683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4949493979) 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, 1111024 + ... + 1115469.

Almost surely, 2^4949493939 is an apocalyptic number.

4949493939 is a deficient number, since it is larger than the sum of its proper divisors (3154944221).

4949493939 is a wasteful number, since it uses less digits than its factorization.

4949493939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226531 (or 2226528 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 63.

The square root of 4949493939 is about 70352.6398865032. The cubic root of 4949493939 is about 1704.1988409022.

The spelling of 4949493939 in words is "four billion, nine hundred forty-nine million, four hundred ninety-three thousand, nine hundred thirty-nine".