2143000726639 has 2 divisors, whose sum is σ = 2143000726640. Its totient is φ = 2143000726638.

The previous prime is 2143000726637. The next prime is 2143000726673. The reversal of 2143000726639 is 9366270003412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143000726639 - 2¹ = 2143000726637 is a prime.

It is a super-2 number, since 2×2143000726639² (a number of 25 digits) contains 22 as substring.

Together with 2143000726637, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2143000726595 and 2143000726604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143000726637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071500363319 + 1071500363320.

It is an arithmetic number, because the mean of its divisors is an integer number (1071500363320).

Almost surely, 2^{2143000726639} is an apocalyptic number.

2143000726639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143000726639 is an equidigital number, since it uses as much as digits as its factorization.

2143000726639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 2143000726639 in words is "two trillion, one hundred forty-three billion, seven hundred twenty-six thousand, six hundred thirty-nine".