3649021708 has 12 divisors (see below), whose sum is σ = 6490473472. Its totient is φ = 1794600720.

The previous prime is 3649021699. The next prime is 3649021709. The reversal of 3649021708 is 8071209463.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3649021709) 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, 7477260 + ... + 7477747.

Almost surely, 2^3649021708 is an apocalyptic number.

It is an amenable number.

3649021708 is a deficient number, since it is larger than the sum of its proper divisors (2841451764).

3649021708 is a wasteful number, since it uses less digits than its factorization.

3649021708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14955072 (or 14955070 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 3649021708 is about 60407.1329231905. The cubic root of 3649021708 is about 1539.5441541688.

The spelling of 3649021708 in words is "three billion, six hundred forty-nine million, twenty-one thousand, seven hundred eight".