3638484529 has 4 divisors (see below), whose sum is σ = 3682321776. Its totient is φ = 3594647284.

The previous prime is 3638484523. The next prime is 3638484547. The reversal of 3638484529 is 9254848363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9254848363 = 1367 ⋅6770189.

It is a cyclic number.

It is not a de Polignac number, because 3638484529 - 2¹⁷ = 3638353457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3638484523) 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 3 ways as a sum of consecutive naturals, for example, 21918499 + ... + 21918664.

It is an arithmetic number, because the mean of its divisors is an integer number (920580444).

Almost surely, 2^3638484529 is an apocalyptic number.

It is an amenable number.

3638484529 is a deficient number, since it is larger than the sum of its proper divisors (43837247).

3638484529 is an equidigital number, since it uses as much as digits as its factorization.

3638484529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43837246.

The product of its digits is 4976640, while the sum is 52.

The square root of 3638484529 is about 60319.8518648712. The cubic root of 3638484529 is about 1538.0608257800.

The spelling of 3638484529 in words is "three billion, six hundred thirty-eight million, four hundred eighty-four thousand, five hundred twenty-nine".