2812269649 has 8 divisors (see below), whose sum is σ = 3214444608. Its totient is φ = 2410200240.

The previous prime is 2812269613. The next prime is 2812269701. The reversal of 2812269649 is 9469622182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2812269649 - 2⁹ = 2812269137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2812269949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42819 + ... + 86359.

It is an arithmetic number, because the mean of its divisors is an integer number (401805576).

Almost surely, 2^2812269649 is an apocalyptic number.

It is an amenable number.

2812269649 is a deficient number, since it is larger than the sum of its proper divisors (402174959).

2812269649 is an equidigital number, since it uses as much as digits as its factorization.

2812269649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52775.

The product of its digits is 746496, while the sum is 49.

The square root of 2812269649 is about 53030.8367744655. The cubic root of 2812269649 is about 1411.5155056311.

The spelling of 2812269649 in words is "two billion, eight hundred twelve million, two hundred sixty-nine thousand, six hundred forty-nine".