26421107258347 has 2 divisors, whose sum is σ = 26421107258348. Its totient is φ = 26421107258346.

The previous prime is 26421107258341. The next prime is 26421107258387. The reversal of 26421107258347 is 74385270112462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26421107258347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26421107258294 and 26421107258303.

It is not a weakly prime, because it can be changed into another prime (26421107258341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13210553629173 + 13210553629174.

It is an arithmetic number, because the mean of its divisors is an integer number (13210553629174).

Almost surely, 2^{26421107258347} is an apocalyptic number.

26421107258347 is a deficient number, since it is larger than the sum of its proper divisors (1).

26421107258347 is an equidigital number, since it uses as much as digits as its factorization.

26421107258347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 26421107258347 in words is "twenty-six trillion, four hundred twenty-one billion, one hundred seven million, two hundred fifty-eight thousand, three hundred forty-seven".