26893407451 has 4 divisors (see below), whose sum is σ = 26895614904. Its totient is φ = 26891200000.

The previous prime is 26893407427. The next prime is 26893407467. The reversal of 26893407451 is 15470439862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a 9-Lehmer number, since φ(26893407451) divides (26893407451-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 26893407451 - 2⁵ = 26893407419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26893407395 and 26893407404.

It is not an unprimeable number, because it can be changed into a prime (26893407251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085350 + ... + 1109851.

It is an arithmetic number, because the mean of its divisors is an integer number (6723903726).

It is a 2-persistent number, because it is pandigital, and so is 2⋅26893407451 = 53786814902, but 3⋅26893407451 = 80680222353 is not.

Almost surely, 2^26893407451 is an apocalyptic number.

26893407451 is a deficient number, since it is larger than the sum of its proper divisors (2207453).

26893407451 is a wasteful number, since it uses less digits than its factorization.

26893407451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207452.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 26893407451 in words is "twenty-six billion, eight hundred ninety-three million, four hundred seven thousand, four hundred fifty-one".