2000991213 has 48 divisors (see below), whose sum is σ = 3389568000. Its totient is φ = 1126306944.

The previous prime is 2000991199. The next prime is 2000991217. The reversal of 2000991213 is 3121990002.

It is not a de Polignac number, because 2000991213 - 2⁶ = 2000991149 is a prime.

It is a super-2 number, since 2×2000991213² = 8007931669006422738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000991217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48948 + ... + 79986.

It is an arithmetic number, because the mean of its divisors is an integer number (70616000).

Almost surely, 2^2000991213 is an apocalyptic number.

It is an amenable number.

2000991213 is a deficient number, since it is larger than the sum of its proper divisors (1388576787).

2000991213 is a wasteful number, since it uses less digits than its factorization.

2000991213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31106 (or 31103 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2000991213 is about 44732.4402754869. The cubic root of 2000991213 is about 1260.1291572062.

The spelling of 2000991213 in words is "two billion, nine hundred ninety-one thousand, two hundred thirteen".