26943391451 has 2 divisors, whose sum is σ = 26943391452. Its totient is φ = 26943391450.

The previous prime is 26943391421. The next prime is 26943391459. The reversal of 26943391451 is 15419334962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26943391451 - 2¹⁰ = 26943390427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26943391396 and 26943391405.

It is not a weakly prime, because it can be changed into another prime (26943391459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13471695725 + 13471695726.

It is an arithmetic number, because the mean of its divisors is an integer number (13471695726).

Almost surely, 2^26943391451 is an apocalyptic number.

26943391451 is a deficient number, since it is larger than the sum of its proper divisors (1).

26943391451 is an equidigital number, since it uses as much as digits as its factorization.

26943391451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 47.

The spelling of 26943391451 in words is "twenty-six billion, nine hundred forty-three million, three hundred ninety-one thousand, four hundred fifty-one".