6203378644 has 12 divisors (see below), whose sum is σ = 10856469204. Its totient is φ = 3101530304.

The previous prime is 6203378641. The next prime is 6203378651. The reversal of 6203378644 is 4468733026.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4122924100 + 2080454544 = 64210^2 + 45612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6203378644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6203378641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114654 + ... + 159850.

It is an arithmetic number, because the mean of its divisors is an integer number (904705767).

Almost surely, 2^6203378644 is an apocalyptic number.

It is an amenable number.

6203378644 is a deficient number, since it is larger than the sum of its proper divisors (4653090560).

6203378644 is a wasteful number, since it uses less digits than its factorization.

6203378644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79514 (or 79512 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The square root of 6203378644 is about 78761.5302289132. The cubic root of 6203378644 is about 1837.4241923713.

The spelling of 6203378644 in words is "six billion, two hundred three million, three hundred seventy-eight thousand, six hundred forty-four".