26386146971 has 2 divisors, whose sum is σ = 26386146972. Its totient is φ = 26386146970.

The previous prime is 26386146869. The next prime is 26386146977. The reversal of 26386146971 is 17964168362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26386146971 - 2¹⁸ = 26385884827 is a prime.

It is not a weakly prime, because it can be changed into another prime (26386146977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13193073485 + 13193073486.

It is an arithmetic number, because the mean of its divisors is an integer number (13193073486).

Almost surely, 2^26386146971 is an apocalyptic number.

26386146971 is a deficient number, since it is larger than the sum of its proper divisors (1).

26386146971 is an equidigital number, since it uses as much as digits as its factorization.

26386146971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 53.

The spelling of 26386146971 in words is "twenty-six billion, three hundred eighty-six million, one hundred forty-six thousand, nine hundred seventy-one".