2002893811 has 4 divisors (see below), whose sum is σ = 2120711112. Its totient is φ = 1885076512.

The previous prime is 2002893799. The next prime is 2002893821. The reversal of 2002893811 is 1183982002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002893811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002893821) 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, 58908625 + ... + 58908658.

It is an arithmetic number, because the mean of its divisors is an integer number (530177778).

Almost surely, 2^2002893811 is an apocalyptic number.

2002893811 is a deficient number, since it is larger than the sum of its proper divisors (117817301).

2002893811 is a wasteful number, since it uses less digits than its factorization.

2002893811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117817300.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2002893811 is about 44753.7016457857. The cubic root of 2002893811 is about 1260.5284192858.

The spelling of 2002893811 in words is "two billion, two million, eight hundred ninety-three thousand, eight hundred eleven".