26897013694 has 16 divisors (see below), whose sum is σ = 42108812928. Its totient is φ = 12860996632.

The previous prime is 26897013677. The next prime is 26897013733. The reversal of 26897013694 is 49631079862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159129 + ... + 281275.

It is an arithmetic number, because the mean of its divisors is an integer number (2631800808).

Almost surely, 2^26897013694 is an apocalyptic number.

26897013694 is a deficient number, since it is larger than the sum of its proper divisors (15211799234).

26897013694 is a wasteful number, since it uses less digits than its factorization.

26897013694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126959.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 26897013694 in words is "twenty-six billion, eight hundred ninety-seven million, thirteen thousand, six hundred ninety-four".