2000867851 has 4 divisors (see below), whose sum is σ = 2002376992. Its totient is φ = 1999358712.

The previous prime is 2000867849. The next prime is 2000867867. The reversal of 2000867851 is 1587680002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1587680002 = 2 ⋅793840001.

It is a cyclic number.

It is not a de Polignac number, because 2000867851 - 2¹ = 2000867849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2000867851.

It is not an unprimeable number, because it can be changed into a prime (2000867801) 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, 752580 + ... + 755233.

It is an arithmetic number, because the mean of its divisors is an integer number (500594248).

Almost surely, 2^2000867851 is an apocalyptic number.

2000867851 is a deficient number, since it is larger than the sum of its proper divisors (1509141).

2000867851 is a wasteful number, since it uses less digits than its factorization.

2000867851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509140.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 2000867851 is about 44731.0613667952. The cubic root of 2000867851 is about 1260.1032608326.

The spelling of 2000867851 in words is "two billion, eight hundred sixty-seven thousand, eight hundred fifty-one".