3639347902 has 8 divisors (see below), whose sum is σ = 5465755512. Its totient is φ = 1817429400.

The previous prime is 3639347843. The next prime is 3639347909. The reversal of 3639347902 is 2097439363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639347909) 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 3 ways as a sum of consecutive naturals, for example, 1120249 + ... + 1123492.

It is an arithmetic number, because the mean of its divisors is an integer number (683219439).

Almost surely, 2^3639347902 is an apocalyptic number.

3639347902 is a deficient number, since it is larger than the sum of its proper divisors (1826407610).

3639347902 is a wasteful number, since it uses less digits than its factorization.

3639347902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244554.

The product of its (nonzero) digits is 734832, while the sum is 46.

The square root of 3639347902 is about 60327.0080643819. The cubic root of 3639347902 is about 1538.1824712214.

It can be divided in two parts, 3639 and 347902, that added together give a triangular number (351541 = T₈₃₈).

The spelling of 3639347902 in words is "three billion, six hundred thirty-nine million, three hundred forty-seven thousand, nine hundred two".