2781908534342 has 12 divisors (see below), whose sum is σ = 4854146524380. Its totient is φ = 1192246514676.

The previous prime is 2781908534341. The next prime is 2781908534387. The reversal of 2781908534342 is 2434358091872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2781908534341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14193410792 + ... + 14193410987.

It is an arithmetic number, because the mean of its divisors is an integer number (404512210365).

Almost surely, 2^{2781908534342} is an apocalyptic number.

2781908534342 is a deficient number, since it is larger than the sum of its proper divisors (2072237990038).

2781908534342 is a wasteful number, since it uses less digits than its factorization.

2781908534342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28386821795 (or 28386821788 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 2781908534342 in words is "two trillion, seven hundred eighty-one billion, nine hundred eight million, five hundred thirty-four thousand, three hundred forty-two".