2012863849 has 4 divisors (see below), whose sum is σ = 2017668240. Its totient is φ = 2008059460.

The previous prime is 2012863843. The next prime is 2012863891. The reversal of 2012863849 is 9483682102.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9483682102 = 2 ⋅4741841051.

It is a cyclic number.

It is not a de Polignac number, because 2012863849 - 2¹³ = 2012855657 is a prime.

It is a super-2 number, since 2×2012863849² = 8103241749222189602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012863843) 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, 2401567 + ... + 2402404.

It is an arithmetic number, because the mean of its divisors is an integer number (504417060).

Almost surely, 2^2012863849 is an apocalyptic number.

It is an amenable number.

2012863849 is a deficient number, since it is larger than the sum of its proper divisors (4804391).

2012863849 is an equidigital number, since it uses as much as digits as its factorization.

2012863849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804390.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2012863849 is about 44864.9512314457. The cubic root of 2012863849 is about 1262.6165181353.

The spelling of 2012863849 in words is "two billion, twelve million, eight hundred sixty-three thousand, eight hundred forty-nine".