2613947686863 has 32 divisors (see below), whose sum is σ = 3698770936320. Its totient is φ = 1636351580160.

The previous prime is 2613947686853. The next prime is 2613947686873. The reversal of 2613947686863 is 3686867493162.

It is an interprime number because it is at equal distance from previous prime (2613947686853) and next prime (2613947686873).

It is not a de Polignac number, because 2613947686863 - 2¹⁴ = 2613947670479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613947686853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124398028 + ... + 124419038.

It is an arithmetic number, because the mean of its divisors is an integer number (115586591760).

Almost surely, 2^{2613947686863} is an apocalyptic number.

2613947686863 is a deficient number, since it is larger than the sum of its proper divisors (1084823249457).

2613947686863 is a wasteful number, since it uses less digits than its factorization.

2613947686863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26527.

The product of its digits is 376233984, while the sum is 69.

The spelling of 2613947686863 in words is "two trillion, six hundred thirteen billion, nine hundred forty-seven million, six hundred eighty-six thousand, eight hundred sixty-three".