2644964950 has 48 divisors (see below), whose sum is σ = 5186525184. Its totient is φ = 1002045600.

The previous prime is 2644964893. The next prime is 2644964957. The reversal of 2644964950 is 594694462.

It is a junction number, because it is equal to n+sod(n) for n = 2644964894 and 2644964903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644964957) 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 23 ways as a sum of consecutive naturals, for example, 54697 + ... + 91003.

It is an arithmetic number, because the mean of its divisors is an integer number (108052608).

Almost surely, 2^2644964950 is an apocalyptic number.

2644964950 is a deficient number, since it is larger than the sum of its proper divisors (2541560234).

2644964950 is a wasteful number, since it uses less digits than its factorization.

2644964950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36397 (or 36392 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 2644964950 is about 51429.2227240506. Note that the first 3 decimals coincide. The cubic root of 2644964950 is about 1382.9505151892.

The spelling of 2644964950 in words is "two billion, six hundred forty-four million, nine hundred sixty-four thousand, nine hundred fifty".