4949817656 has 32 divisors (see below), whose sum is σ = 10716111840. Its totient is φ = 2099478528.

The previous prime is 4949817641. The next prime is 4949817659. The reversal of 4949817656 is 6567189494.

It is a junction number, because it is equal to n+sod(n) for n = 4949817595 and 4949817604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949817659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450185 + ... + 461048.

It is an arithmetic number, because the mean of its divisors is an integer number (334878495).

Almost surely, 2^4949817656 is an apocalyptic number.

It is an amenable number.

4949817656 is an abundant number, since it is smaller than the sum of its proper divisors (5766294184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4949817656 is a wasteful number, since it uses less digits than its factorization.

4949817656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911343 (or 911339 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 59.

The square root of 4949817656 is about 70354.9405230365. The cubic root of 4949817656 is about 1704.2359939335.

The spelling of 4949817656 in words is "four billion, nine hundred forty-nine million, eight hundred seventeen thousand, six hundred fifty-six".