26389346097 has 16 divisors (see below), whose sum is σ = 35332944768. Its totient is φ = 17519374080.

The previous prime is 26389346063. The next prime is 26389346111. The reversal of 26389346097 is 79064398362.

It is not a de Polignac number, because 26389346097 - 2¹⁴ = 26389329713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26389346047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962983 + ... + 2971875.

It is an arithmetic number, because the mean of its divisors is an integer number (2208309048).

Almost surely, 2^26389346097 is an apocalyptic number.

It is an amenable number.

26389346097 is a deficient number, since it is larger than the sum of its proper divisors (8943598671).

26389346097 is a wasteful number, since it uses less digits than its factorization.

26389346097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920.

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 26389346097 in words is "twenty-six billion, three hundred eighty-nine million, three hundred forty-six thousand, ninety-seven".