26794386974 has 4 divisors (see below), whose sum is σ = 40191580464. Its totient is φ = 13397193486.

The previous prime is 26794386973. The next prime is 26794387013. The reversal of 26794386974 is 47968349762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47968349762 = 2 ⋅23984174881.

It is a self number, because there is not a number n which added to its sum of digits gives 26794386974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26794386973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6698596742 + ... + 6698596745.

It is an arithmetic number, because the mean of its divisors is an integer number (10047895116).

Almost surely, 2^26794386974 is an apocalyptic number.

26794386974 is a deficient number, since it is larger than the sum of its proper divisors (13397193490).

26794386974 is a wasteful number, since it uses less digits than its factorization.

26794386974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13397193489.

The product of its digits is 109734912, while the sum is 65.

The spelling of 26794386974 in words is "twenty-six billion, seven hundred ninety-four million, three hundred eighty-six thousand, nine hundred seventy-four".