26419640171 has 2 divisors, whose sum is σ = 26419640172. Its totient is φ = 26419640170.

The previous prime is 26419640123. The next prime is 26419640179. The reversal of 26419640171 is 17104691462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26419640171 - 2¹⁴ = 26419623787 is a prime.

It is not a weakly prime, because it can be changed into another prime (26419640179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13209820085 + 13209820086.

It is an arithmetic number, because the mean of its divisors is an integer number (13209820086).

Almost surely, 2^26419640171 is an apocalyptic number.

26419640171 is a deficient number, since it is larger than the sum of its proper divisors (1).

26419640171 is an equidigital number, since it uses as much as digits as its factorization.

26419640171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 26419640171 in words is "twenty-six billion, four hundred nineteen million, six hundred forty thousand, one hundred seventy-one".