2543014851694 has 4 divisors (see below), whose sum is σ = 3814522277544. Its totient is φ = 1271507425846.

The previous prime is 2543014851683. The next prime is 2543014851697. The reversal of 2543014851694 is 4961584103452.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543014851697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635753712922 + ... + 635753712925.

It is an arithmetic number, because the mean of its divisors is an integer number (953630569386).

Almost surely, 2^{2543014851694} is an apocalyptic number.

2543014851694 is a deficient number, since it is larger than the sum of its proper divisors (1271507425850).

2543014851694 is a wasteful number, since it uses less digits than its factorization.

2543014851694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271507425849.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 2543014851694 in words is "two trillion, five hundred forty-three billion, fourteen million, eight hundred fifty-one thousand, six hundred ninety-four".