26354738345 has 32 divisors (see below), whose sum is σ = 34337066400. Its totient is φ = 19303409664.

The previous prime is 26354738339. The next prime is 26354738353. The reversal of 26354738345 is 54383745362.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 25190768656 + 1163969689 = 158716^2 + 34117^2 .

It is a cyclic number.

It is not a de Polignac number, because 26354738345 - 2¹⁸ = 26354476201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26354738293 and 26354738302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4070771 + ... + 4077239.

It is an arithmetic number, because the mean of its divisors is an integer number (1073033325).

Almost surely, 2^26354738345 is an apocalyptic number.

It is an amenable number.

26354738345 is a deficient number, since it is larger than the sum of its proper divisors (7982328055).

26354738345 is a wasteful number, since it uses less digits than its factorization.

26354738345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989.

The product of its digits is 7257600, while the sum is 50.

The spelling of 26354738345 in words is "twenty-six billion, three hundred fifty-four million, seven hundred thirty-eight thousand, three hundred forty-five".