4972793868 has 144 divisors (see below), whose sum is σ = 14637342720. Its totient is φ = 1394122752.

The previous prime is 4972793843. The next prime is 4972793869. The reversal of 4972793868 is 8683972794.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (4972793869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6466188 + ... + 6466956.

Almost surely, 2^4972793868 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 4972793868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7318671360).

4972793868 is an abundant number, since it is smaller than the sum of its proper divisors (9664548852).

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

4972793868 is a wasteful number, since it uses less digits than its factorization.

4972793868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1231 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The square root of 4972793868 is about 70518.0393091016. The cubic root of 4972793868 is about 1706.8688489484.

The spelling of 4972793868 in words is "four billion, nine hundred seventy-two million, seven hundred ninety-three thousand, eight hundred sixty-eight".