2013956687 has 2 divisors, whose sum is σ = 2013956688. Its totient is φ = 2013956686.

The previous prime is 2013956671. The next prime is 2013956689. The reversal of 2013956687 is 7866593102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013956687 - 2⁴ = 2013956671 is a prime.

It is a super-2 number, since 2×2013956687² = 8112043074224031938, which contains 22 as substring.

Together with 2013956689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013956689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006978343 + 1006978344.

It is an arithmetic number, because the mean of its divisors is an integer number (1006978344).

Almost surely, 2^2013956687 is an apocalyptic number.

2013956687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013956687 is an equidigital number, since it uses as much as digits as its factorization.

2013956687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 2013956687 is about 44877.1287740203. The cubic root of 2013956687 is about 1262.8449796331.

The spelling of 2013956687 in words is "two billion, thirteen million, nine hundred fifty-six thousand, six hundred eighty-seven".