5640841783 has 2 divisors, whose sum is σ = 5640841784. Its totient is φ = 5640841782.

The previous prime is 5640841777. The next prime is 5640841807. The reversal of 5640841783 is 3871480465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5640841783 - 2⁵ = 5640841751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5640841763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820420891 + 2820420892.

It is an arithmetic number, because the mean of its divisors is an integer number (2820420892).

Almost surely, 2^5640841783 is an apocalyptic number.

5640841783 is a deficient number, since it is larger than the sum of its proper divisors (1).

5640841783 is an equidigital number, since it uses as much as digits as its factorization.

5640841783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 5640841783 is about 75105.5376320548. The cubic root of 5640841783 is about 1780.1146438595.

The spelling of 5640841783 in words is "five billion, six hundred forty million, eight hundred forty-one thousand, seven hundred eighty-three".