6499766201 has 4 divisors (see below), whose sum is σ = 6723896100. Its totient is φ = 6275636304.

The previous prime is 6499766191. The next prime is 6499766237. The reversal of 6499766201 is 1026679946.

6499766201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4948981801 + 1550784400 = 70349^2 + 39380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6499766201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6499766201.

It is not an unprimeable number, because it can be changed into a prime (6499766261) 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, 112064906 + ... + 112064963.

It is an arithmetic number, because the mean of its divisors is an integer number (1680974025).

Almost surely, 2^6499766201 is an apocalyptic number.

It is an amenable number.

6499766201 is a deficient number, since it is larger than the sum of its proper divisors (224129899).

6499766201 is a wasteful number, since it uses less digits than its factorization.

6499766201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224129898.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 6499766201 is about 80621.1275101012. The cubic root of 6499766201 is about 1866.2332023102.

The spelling of 6499766201 in words is "six billion, four hundred ninety-nine million, seven hundred sixty-six thousand, two hundred one".