3656403838202 has 4 divisors (see below), whose sum is σ = 5484605757306. Its totient is φ = 1828201919100.

The previous prime is 3656403838193. The next prime is 3656403838247. The reversal of 3656403838202 is 2028383046563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2563293858841 + 1093109979361 = 1601029^2 + 1045519^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914100959549 + ... + 914100959552.

Almost surely, 2^{3656403838202} is an apocalyptic number.

3656403838202 is a deficient number, since it is larger than the sum of its proper divisors (1828201919104).

3656403838202 is a wasteful number, since it uses less digits than its factorization.

3656403838202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828201919103.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 3656403838202 in words is "three trillion, six hundred fifty-six billion, four hundred three million, eight hundred thirty-eight thousand, two hundred two".