2649647012 has 24 divisors (see below), whose sum is σ = 4906645632. Its totient is φ = 1249371200.

The previous prime is 2649647009. The next prime is 2649647023. The reversal of 2649647012 is 2107469462.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 196289 + ... + 209352.

It is an arithmetic number, because the mean of its divisors is an integer number (204443568).

Almost surely, 2^2649647012 is an apocalyptic number.

It is an amenable number.

2649647012 is a deficient number, since it is larger than the sum of its proper divisors (2256998620).

2649647012 is a wasteful number, since it uses less digits than its factorization.

2649647012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405739 (or 405737 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2649647012 is about 51474.7220682152. The cubic root of 2649647012 is about 1383.7660575824.

The spelling of 2649647012 in words is "two billion, six hundred forty-nine million, six hundred forty-seven thousand, twelve".