6002649921 has 16 divisors (see below), whose sum is σ = 8028443520. Its totient is φ = 3989331840.

The previous prime is 6002649907. The next prime is 6002649929. The reversal of 6002649921 is 1299462006.

It is a de Polignac number, because none of the positive numbers 2^k-6002649921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6002649921.

It is not an unprimeable number, because it can be changed into a prime (6002649929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731636 + ... + 1735098.

It is an arithmetic number, because the mean of its divisors is an integer number (501777720).

Almost surely, 2^6002649921 is an apocalyptic number.

It is an amenable number.

6002649921 is a deficient number, since it is larger than the sum of its proper divisors (2025793599).

6002649921 is a wasteful number, since it uses less digits than its factorization.

6002649921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 6002649921 is about 77476.7702024291. The cubic root of 6002649921 is about 1817.3880660158.

The spelling of 6002649921 in words is "six billion, two million, six hundred forty-nine thousand, nine hundred twenty-one".