2542065941291 has 4 divisors (see below), whose sum is σ = 2549267261592. Its totient is φ = 2534864620992.

The previous prime is 2542065941281. The next prime is 2542065941297. The reversal of 2542065941291 is 1921495602452.

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

It is a cyclic number.

It is not a de Polignac number, because 2542065941291 - 2³⁸ = 2267188034347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542065941297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3600659621 + ... + 3600660326.

It is an arithmetic number, because the mean of its divisors is an integer number (637316815398).

Almost surely, 2^{2542065941291} is an apocalyptic number.

2542065941291 is a deficient number, since it is larger than the sum of its proper divisors (7201320301).

2542065941291 is an equidigital number, since it uses as much as digits as its factorization.

2542065941291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7201320300.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 2542065941291 in words is "two trillion, five hundred forty-two billion, sixty-five million, nine hundred forty-one thousand, two hundred ninety-one".