2127393669859 has 2 divisors, whose sum is σ = 2127393669860. Its totient is φ = 2127393669858.

The previous prime is 2127393669857. The next prime is 2127393669901. The reversal of 2127393669859 is 9589663937212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2127393669859 - 2¹ = 2127393669857 is a prime.

It is a super-2 number, since 2×2127393669859² (a number of 25 digits) contains 22 as substring.

Together with 2127393669857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2127393669851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063696834929 + 1063696834930.

It is an arithmetic number, because the mean of its divisors is an integer number (1063696834930).

Almost surely, 2^{2127393669859} is an apocalyptic number.

2127393669859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127393669859 is an equidigital number, since it uses as much as digits as its factorization.

2127393669859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264539520, while the sum is 70.

The spelling of 2127393669859 in words is "two trillion, one hundred twenty-seven billion, three hundred ninety-three million, six hundred sixty-nine thousand, eight hundred fifty-nine".