5840861643 has 20 divisors (see below), whose sum is σ = 8737134120. Its totient is φ = 3888598752.

The previous prime is 5840861639. The next prime is 5840861657. The reversal of 5840861643 is 3461680485.

5840861643 is a `hidden beast` number, since 584 + 0 + 8 + 6 + 1 + 64 + 3 = 666.

It is not a de Polignac number, because 5840861643 - 2² = 5840861639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5840861743) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 11071 + ... + 108647.

It is an arithmetic number, because the mean of its divisors is an integer number (436856706).

Almost surely, 2^5840861643 is an apocalyptic number.

5840861643 is a deficient number, since it is larger than the sum of its proper divisors (2896272477).

5840861643 is an equidigital number, since it uses as much as digits as its factorization.

5840861643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98328 (or 98319 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 5840861643 is about 76425.5300472296. The cubic root of 5840861643 is about 1800.9112302885.

The spelling of 5840861643 in words is "five billion, eight hundred forty million, eight hundred sixty-one thousand, six hundred forty-three".