26496619571 has 2 divisors, whose sum is σ = 26496619572. Its totient is φ = 26496619570.

The previous prime is 26496619531. The next prime is 26496619627. The reversal of 26496619571 is 17591669462.

It is an a-pointer prime, because the next prime (26496619627) can be obtained adding 26496619571 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26496619571 - 2²⁶ = 26429510707 is a prime.

It is not a weakly prime, because it can be changed into another prime (26496619531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13248309785 + 13248309786.

It is an arithmetic number, because the mean of its divisors is an integer number (13248309786).

Almost surely, 2^26496619571 is an apocalyptic number.

26496619571 is a deficient number, since it is larger than the sum of its proper divisors (1).

26496619571 is an equidigital number, since it uses as much as digits as its factorization.

26496619571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 56.

The spelling of 26496619571 in words is "twenty-six billion, four hundred ninety-six million, six hundred nineteen thousand, five hundred seventy-one".