4897729264 has 80 divisors (see below), whose sum is σ = 9980388000. Its totient is φ = 2325335040.

The previous prime is 4897729259. The next prime is 4897729289. The reversal of 4897729264 is 4629277984.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 4897729199 and 4897729208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9052834 + ... + 9053374.

It is an arithmetic number, because the mean of its divisors is an integer number (124754850).

Almost surely, 2^4897729264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4897729264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4990194000).

4897729264 is an abundant number, since it is smaller than the sum of its proper divisors (5082658736).

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

4897729264 is a wasteful number, since it uses less digits than its factorization.

4897729264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 860 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The square root of 4897729264 is about 69983.7785776104. The cubic root of 4897729264 is about 1698.2368414034.

The spelling of 4897729264 in words is "four billion, eight hundred ninety-seven million, seven hundred twenty-nine thousand, two hundred sixty-four".