5636640403 has 2 divisors, whose sum is σ = 5636640404. Its totient is φ = 5636640402.

The previous prime is 5636640397. The next prime is 5636640407. The reversal of 5636640403 is 3040466365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5636640403 - 2²⁹ = 5099769491 is a prime.

It is not a weakly prime, because it can be changed into another prime (5636640407) 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 as a sum of consecutive naturals, namely, 2818320201 + 2818320202.

It is an arithmetic number, because the mean of its divisors is an integer number (2818320202).

Almost surely, 2^5636640403 is an apocalyptic number.

5636640403 is a deficient number, since it is larger than the sum of its proper divisors (1).

5636640403 is an equidigital number, since it uses as much as digits as its factorization.

5636640403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 5636640403 is about 75077.5625803076. The cubic root of 5636640403 is about 1779.6725824365.

It can be divided in two parts, 56366 and 40403, that added together give a palindrome (96769).

The spelling of 5636640403 in words is "five billion, six hundred thirty-six million, six hundred forty thousand, four hundred three".