3640533829 has 2 divisors, whose sum is σ = 3640533830. Its totient is φ = 3640533828.

The previous prime is 3640533803. The next prime is 3640533851. The reversal of 3640533829 is 9283350463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3111073729 + 529460100 = 55777^2 + 23010^2 .

It is a cyclic number.

It is not a de Polignac number, because 3640533829 - 2⁵ = 3640533797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3640533889) 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 as a sum of consecutive naturals, namely, 1820266914 + 1820266915.

It is an arithmetic number, because the mean of its divisors is an integer number (1820266915).

Almost surely, 2^3640533829 is an apocalyptic number.

It is an amenable number.

3640533829 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640533829 is an equidigital number, since it uses as much as digits as its factorization.

3640533829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 3640533829 is about 60336.8364185594. The cubic root of 3640533829 is about 1538.3495317375.

The spelling of 3640533829 in words is "three billion, six hundred forty million, five hundred thirty-three thousand, eight hundred twenty-nine".