2013011989 has 2 divisors, whose sum is σ = 2013011990. Its totient is φ = 2013011988.

The previous prime is 2013011977. The next prime is 2013011993. The reversal of 2013011989 is 9891103102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238336100 + 774675889 = 35190^2 + 27833^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013011989 - 2¹¹ = 2013009941 is a prime.

It is a super-2 number, since 2×2013011989² = 8104434535715472242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013011909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006505994 + 1006505995.

It is an arithmetic number, because the mean of its divisors is an integer number (1006505995).

Almost surely, 2^2013011989 is an apocalyptic number.

It is an amenable number.

2013011989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013011989 is an equidigital number, since it uses as much as digits as its factorization.

2013011989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 2013011989 is about 44866.6021557238. The cubic root of 2013011989 is about 1262.6474921499.

The spelling of 2013011989 in words is "two billion, thirteen million, eleven thousand, nine hundred eighty-nine".