2542707742139 has 2 divisors, whose sum is σ = 2542707742140. Its totient is φ = 2542707742138.

The previous prime is 2542707742117. The next prime is 2542707742147. The reversal of 2542707742139 is 9312477072452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2542707742139 - 2²⁰ = 2542706693563 is a prime.

It is a super-2 number, since 2×2542707742139² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2542707742039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271353871069 + 1271353871070.

It is an arithmetic number, because the mean of its divisors is an integer number (1271353871070).

Almost surely, 2^{2542707742139} is an apocalyptic number.

2542707742139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542707742139 is an equidigital number, since it uses as much as digits as its factorization.

2542707742139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 2542707742139 in words is "two trillion, five hundred forty-two billion, seven hundred seven million, seven hundred forty-two thousand, one hundred thirty-nine".