2013986791 has 2 divisors, whose sum is σ = 2013986792. Its totient is φ = 2013986790.

The previous prime is 2013986749. The next prime is 2013986837. The reversal of 2013986791 is 1976893102.

It is a happy number.

It is an a-pointer prime, because the next prime (2013986837) can be obtained adding 2013986791 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013986791 - 2⁹ = 2013986279 is a prime.

It is a super-2 number, since 2×2013986791² = 8112285588644955362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013986731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006993395 + 1006993396.

It is an arithmetic number, because the mean of its divisors is an integer number (1006993396).

Almost surely, 2^2013986791 is an apocalyptic number.

2013986791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013986791 is an equidigital number, since it uses as much as digits as its factorization.

2013986791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 2013986791 is about 44877.4641774689. The cubic root of 2013986791 is about 1262.8512718068.

The spelling of 2013986791 in words is "two billion, thirteen million, nine hundred eighty-six thousand, seven hundred ninety-one".