2812866149 has 8 divisors (see below), whose sum is σ = 2853129792. Its totient is φ = 2772649440.

The previous prime is 2812866139. The next prime is 2812866151. The reversal of 2812866149 is 9416682182.

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

It is a cyclic number.

It is not a de Polignac number, because 2812866149 - 2⁸ = 2812865893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812866139) 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, 119354 + ... + 140964.

It is an arithmetic number, because the mean of its divisors is an integer number (356641224).

Almost surely, 2^2812866149 is an apocalyptic number.

It is an amenable number.

2812866149 is a deficient number, since it is larger than the sum of its proper divisors (40263643).

2812866149 is a wasteful number, since it uses less digits than its factorization.

2812866149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23467.

The product of its digits is 331776, while the sum is 47.

The square root of 2812866149 is about 53036.4605625225. The cubic root of 2812866149 is about 1411.6152956682.

The spelling of 2812866149 in words is "two billion, eight hundred twelve million, eight hundred sixty-six thousand, one hundred forty-nine".