3647949002 has 16 divisors (see below), whose sum is σ = 5517977472. Its totient is φ = 1808676240.

The previous prime is 3647949001. The next prime is 3647949013. The reversal of 3647949002 is 2009497463.

It is not an unprimeable number, because it can be changed into a prime (3647949001) 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 7 ways as a sum of consecutive naturals, for example, 127643 + ... + 153585.

It is an arithmetic number, because the mean of its divisors is an integer number (344873592).

Almost surely, 2^3647949002 is an apocalyptic number.

3647949002 is a deficient number, since it is larger than the sum of its proper divisors (1870028470).

3647949002 is a wasteful number, since it uses less digits than its factorization.

3647949002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26533.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 3647949002 is about 60398.2533025583. The cubic root of 3647949002 is about 1539.3932790175.

The spelling of 3647949002 in words is "three billion, six hundred forty-seven million, nine hundred forty-nine thousand, two".