4594781868 has 12 divisors (see below), whose sum is σ = 10721157720. Its totient is φ = 1531593952.

The previous prime is 4594781819. The next prime is 4594781911. The reversal of 4594781868 is 8681874954.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4594781868² = 42224040829003138848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191449233 + ... + 191449256.

It is an arithmetic number, because the mean of its divisors is an integer number (893429810).

Almost surely, 2^4594781868 is an apocalyptic number.

It is an amenable number.

4594781868 is an abundant number, since it is smaller than the sum of its proper divisors (6126375852).

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

4594781868 is a wasteful number, since it uses less digits than its factorization.

4594781868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382898496 (or 382898494 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 60.

The square root of 4594781868 is about 67784.8203361195. The cubic root of 4594781868 is about 1662.4743990480.

The spelling of 4594781868 in words is "four billion, five hundred ninety-four million, seven hundred eighty-one thousand, eight hundred sixty-eight".