6200645665 has 4 divisors (see below), whose sum is σ = 7440774804. Its totient is φ = 4960516528.

The previous prime is 6200645653. The next prime is 6200645677. The reversal of 6200645665 is 5665460026.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5665460026 = 2 ⋅2832730013.

It is an interprime number because it is at equal distance from previous prime (6200645653) and next prime (6200645677).

It can be written as a sum of positive squares in 2 ways, for example, as 1473945664 + 4726700001 = 38392^2 + 68751^2 .

It is a cyclic number.

It is not a de Polignac number, because 6200645665 - 2⁹ = 6200645153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620064562 + ... + 620064571.

It is an arithmetic number, because the mean of its divisors is an integer number (1860193701).

Almost surely, 2^6200645665 is an apocalyptic number.

It is an amenable number.

6200645665 is a deficient number, since it is larger than the sum of its proper divisors (1240129139).

6200645665 is a wasteful number, since it uses less digits than its factorization.

6200645665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240129138.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 6200645665 is about 78744.1786102312. The cubic root of 6200645665 is about 1837.1543190410.

The spelling of 6200645665 in words is "six billion, two hundred million, six hundred forty-five thousand, six hundred sixty-five".