2542423684327 has 4 divisors (see below), whose sum is σ = 2585515611240. Its totient is φ = 2499331757416.

The previous prime is 2542423684279. The next prime is 2542423684343. The reversal of 2542423684327 is 7234863242452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2542423684327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542483684327) 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 in 3 ways as a sum of consecutive naturals, for example, 21545963368 + ... + 21545963485.

It is an arithmetic number, because the mean of its divisors is an integer number (646378902810).

Almost surely, 2^{2542423684327} is an apocalyptic number.

2542423684327 is a deficient number, since it is larger than the sum of its proper divisors (43091926913).

2542423684327 is an equidigital number, since it uses as much as digits as its factorization.

2542423684327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43091926912.

The product of its digits is 15482880, while the sum is 52.

The spelling of 2542423684327 in words is "two trillion, five hundred forty-two billion, four hundred twenty-three million, six hundred eighty-four thousand, three hundred twenty-seven".