2010209651 has 4 divisors (see below), whose sum is σ = 2017363704. Its totient is φ = 2003055600.

The previous prime is 2010209629. The next prime is 2010209681. The reversal of 2010209651 is 1569020102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010209651 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 2010209651.

It is not an unprimeable number, because it can be changed into a prime (2010209681) 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, 3576605 + ... + 3577166.

It is an arithmetic number, because the mean of its divisors is an integer number (504340926).

Almost surely, 2^2010209651 is an apocalyptic number.

2010209651 is a deficient number, since it is larger than the sum of its proper divisors (7154053).

2010209651 is an equidigital number, since it uses as much as digits as its factorization.

2010209651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7154052.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 2010209651 is about 44835.3616133516. The cubic root of 2010209651 is about 1262.0613045081.

Adding to 2010209651 its reverse (1569020102), we get a palindrome (3579229753).

The spelling of 2010209651 in words is "two billion, ten million, two hundred nine thousand, six hundred fifty-one".