4949155939 has 16 divisors (see below), whose sum is σ = 6356109312. Its totient is φ = 3745561248.

The previous prime is 4949155919. The next prime is 4949155951. The reversal of 4949155939 is 9395519494.

It is not a de Polignac number, because 4949155939 - 2⁷ = 4949155811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4949155919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180219 + ... + 1184404.

It is an arithmetic number, because the mean of its divisors is an integer number (397256832).

Almost surely, 2^4949155939 is an apocalyptic number.

4949155939 is a deficient number, since it is larger than the sum of its proper divisors (1406953373).

4949155939 is a wasteful number, since it uses less digits than its factorization.

4949155939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364666.

The product of its digits is 7873200, while the sum is 58.

The square root of 4949155939 is about 70350.2376612901. The cubic root of 4949155939 is about 1704.1600468809.

The spelling of 4949155939 in words is "four billion, nine hundred forty-nine million, one hundred fifty-five thousand, nine hundred thirty-nine".