3634641402 has 32 divisors (see below), whose sum is σ = 8310486912. Its totient is φ = 1038127104.

The previous prime is 3634641391. The next prime is 3634641419. The reversal of 3634641402 is 2041464363.

It is a super-2 number, since 2×3634641402² = 26421236242265051208, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 132678 + ... + 157710.

It is an arithmetic number, because the mean of its divisors is an integer number (259702716).

Almost surely, 2^3634641402 is an apocalyptic number.

3634641402 is an abundant number, since it is smaller than the sum of its proper divisors (4675845510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3634641402 is a wasteful number, since it uses less digits than its factorization.

3634641402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28502.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 3634641402 is about 60287.9872113840. The cubic root of 3634641402 is about 1537.5191125656.

The spelling of 3634641402 in words is "three billion, six hundred thirty-four million, six hundred forty-one thousand, four hundred two".