4929568656 has 80 divisors (see below), whose sum is σ = 13301470080. Its totient is φ = 1570201600.

The previous prime is 4929568603. The next prime is 4929568663. The reversal of 4929568656 is 6568659294.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4929568656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1766110 + ... + 1768898.

It is an arithmetic number, because the mean of its divisors is an integer number (166268376).

Almost surely, 2^4929568656 is an apocalyptic number.

4929568656 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4929568656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6650735040).

4929568656 is an abundant number, since it is smaller than the sum of its proper divisors (8371901424).

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

4929568656 is a wasteful number, since it uses less digits than its factorization.

4929568656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424 (or 4418 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 60.

The square root of 4929568656 is about 70210.8870190372. The cubic root of 4929568656 is about 1701.9088887402.

The spelling of 4929568656 in words is "four billion, nine hundred twenty-nine million, five hundred sixty-eight thousand, six hundred fifty-six".