26943391454 has 16 divisors (see below), whose sum is σ = 46228142976. Its totient is φ = 11537299800.

The previous prime is 26943391451. The next prime is 26943391459. The reversal of 26943391454 is 45419334962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26943391451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805352 + ... + 838139.

It is an arithmetic number, because the mean of its divisors is an integer number (2889258936).

Almost surely, 2^26943391454 is an apocalyptic number.

26943391454 is a deficient number, since it is larger than the sum of its proper divisors (19284751522).

26943391454 is a wasteful number, since it uses less digits than its factorization.

26943391454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644671.

The product of its digits is 2799360, while the sum is 50.

The spelling of 26943391454 in words is "twenty-six billion, nine hundred forty-three million, three hundred ninety-one thousand, four hundred fifty-four".