26040970799 has 2 divisors, whose sum is σ = 26040970800. Its totient is φ = 26040970798.

The previous prime is 26040970741. The next prime is 26040970807. The reversal of 26040970799 is 99707904062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26040970799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26040970799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26040970099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13020485399 + 13020485400.

It is an arithmetic number, because the mean of its divisors is an integer number (13020485400).

Almost surely, 2^26040970799 is an apocalyptic number.

26040970799 is a deficient number, since it is larger than the sum of its proper divisors (1).

26040970799 is an equidigital number, since it uses as much as digits as its factorization.

26040970799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 26040970799 in words is "twenty-six billion, forty million, nine hundred seventy thousand, seven hundred ninety-nine".