2812042657 has 4 divisors (see below), whose sum is σ = 2812365360. Its totient is φ = 2811719956.

The previous prime is 2812042633. The next prime is 2812042669. The reversal of 2812042657 is 7562402182.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2812042657 - 2⁷ = 2812042529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2812042357) 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 3 ways as a sum of consecutive naturals, for example, 147907 + ... + 165832.

It is an arithmetic number, because the mean of its divisors is an integer number (703091340).

Almost surely, 2^2812042657 is an apocalyptic number.

It is an amenable number.

2812042657 is a deficient number, since it is larger than the sum of its proper divisors (322703).

2812042657 is an equidigital number, since it uses as much as digits as its factorization.

2812042657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322702.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2812042657 is about 53028.6965425325. The cubic root of 2812042657 is about 1411.4775278423.

The spelling of 2812042657 in words is "two billion, eight hundred twelve million, forty-two thousand, six hundred fifty-seven".