4939961956 has 12 divisors (see below), whose sum is σ = 8754363520. Its totient is φ = 2438715240.

The previous prime is 4939961951. The next prime is 4939961977. The reversal of 4939961956 is 6591699394.

It is a junction number, because it is equal to n+sod(n) for n = 4939961894 and 4939961903.

It is not an unprimeable number, because it can be changed into a prime (4939961951) 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, 7816080 + ... + 7816711.

Almost surely, 2^4939961956 is an apocalyptic number.

It is an amenable number.

4939961956 is a deficient number, since it is larger than the sum of its proper divisors (3814401564).

4939961956 is a wasteful number, since it uses less digits than its factorization.

4939961956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15632874 (or 15632872 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 61.

The square root of 4939961956 is about 70284.8629222538. The cubic root of 4939961956 is about 1703.1041273927.

The spelling of 4939961956 in words is "four billion, nine hundred thirty-nine million, nine hundred sixty-one thousand, nine hundred fifty-six".