34281938375687 has 4 divisors (see below), whose sum is σ = 34305564799176. Its totient is φ = 34258311952200.

The previous prime is 34281938375683. The next prime is 34281938375747. The reversal of 34281938375687 is 78657383918243.

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 34281938375687 - 2² = 34281938375683 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 (34281938375681) 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, 11813209568 + ... + 11813212469.

It is an arithmetic number, because the mean of its divisors is an integer number (8576391199794).

Almost surely, 2^{34281938375687} is an apocalyptic number.

34281938375687 is a deficient number, since it is larger than the sum of its proper divisors (23626423489).

34281938375687 is a wasteful number, since it uses less digits than its factorization.

34281938375687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23626423488.

The product of its digits is 1463132160, while the sum is 74.

The spelling of 34281938375687 in words is "thirty-four trillion, two hundred eighty-one billion, nine hundred thirty-eight million, three hundred seventy-five thousand, six hundred eighty-seven".