6200743661 has 6 divisors (see below), whose sum is σ = 7213110030. Its totient is φ = 5314923096.

The previous prime is 6200743643. The next prime is 6200743669. The reversal of 6200743661 is 1663470026.

It can be written as a sum of positive squares in only one way, i.e., 6113676100 + 87067561 = 78190^2 + 9331^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6200743661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6200743669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63272846 + ... + 63272943.

It is an arithmetic number, because the mean of its divisors is an integer number (1202185005).

Almost surely, 2^6200743661 is an apocalyptic number.

It is an amenable number.

6200743661 is a deficient number, since it is larger than the sum of its proper divisors (1012366369).

6200743661 is a wasteful number, since it uses less digits than its factorization.

6200743661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126545803 (or 126545796 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 6200743661 is about 78744.8008505958. The cubic root of 6200743661 is about 1837.1639972173.

The spelling of 6200743661 in words is "six billion, two hundred million, seven hundred forty-three thousand, six hundred sixty-one".