5866944993 has 128 divisors (see below), whose sum is σ = 10958438400. Its totient is φ = 3020322816.

The previous prime is 5866944989. The next prime is 5866945009. The reversal of 5866944993 is 3994496685.

5866944993 is a `hidden beast` number, since 5 + 86 + 69 + 4 + 499 + 3 = 666.

It is not a de Polignac number, because 5866944993 - 2² = 5866944989 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5866944993.

It is not an unprimeable number, because it can be changed into a prime (5866944913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24547768 + ... + 24548006.

It is an arithmetic number, because the mean of its divisors is an integer number (85612800).

Almost surely, 2^5866944993 is an apocalyptic number.

It is an amenable number.

5866944993 is a deficient number, since it is larger than the sum of its proper divisors (5091493407).

5866944993 is a wasteful number, since it uses less digits than its factorization.

5866944993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 462 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The square root of 5866944993 is about 76595.9854887970. The cubic root of 5866944993 is about 1803.5880070287.

The spelling of 5866944993 in words is "five billion, eight hundred sixty-six million, nine hundred forty-four thousand, nine hundred ninety-three".