2142539920727 has 2 divisors, whose sum is σ = 2142539920728. Its totient is φ = 2142539920726.

The previous prime is 2142539920723. The next prime is 2142539920733. The reversal of 2142539920727 is 7270299352412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142539920727 - 2² = 2142539920723 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142539920723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071269960363 + 1071269960364.

It is an arithmetic number, because the mean of its divisors is an integer number (1071269960364).

Almost surely, 2^{2142539920727} is an apocalyptic number.

2142539920727 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142539920727 is an equidigital number, since it uses as much as digits as its factorization.

2142539920727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 2142539920727 in words is "two trillion, one hundred forty-two billion, five hundred thirty-nine million, nine hundred twenty thousand, seven hundred twenty-seven".