2143613476687 has 2 divisors, whose sum is σ = 2143613476688. Its totient is φ = 2143613476686.

The previous prime is 2143613476649. The next prime is 2143613476703. The reversal of 2143613476687 is 7866743163412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143613476687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143617476687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071806738343 + 1071806738344.

It is an arithmetic number, because the mean of its divisors is an integer number (1071806738344).

Almost surely, 2^{2143613476687} is an apocalyptic number.

2143613476687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143613476687 is an equidigital number, since it uses as much as digits as its factorization.

2143613476687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24385536, while the sum is 58.

The spelling of 2143613476687 in words is "two trillion, one hundred forty-three billion, six hundred thirteen million, four hundred seventy-six thousand, six hundred eighty-seven".