2812502649 has 16 divisors (see below), whose sum is σ = 4092062400. Its totient is φ = 1704068160.

The previous prime is 2812502647. The next prime is 2812502657. The reversal of 2812502649 is 9462052182.

It is not a de Polignac number, because 2812502649 - 2¹ = 2812502647 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2812502647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133719 + ... + 153315.

It is an arithmetic number, because the mean of its divisors is an integer number (255753900).

Almost surely, 2^2812502649 is an apocalyptic number.

It is an amenable number.

2812502649 is a deficient number, since it is larger than the sum of its proper divisors (1279559751).

2812502649 is a wasteful number, since it uses less digits than its factorization.

2812502649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23960.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2812502649 is about 53033.0335639967. The cubic root of 2812502649 is about 1411.5544864866.

The spelling of 2812502649 in words is "two billion, eight hundred twelve million, five hundred two thousand, six hundred forty-nine".