26297354347 has 6 divisors (see below), whose sum is σ = 28905356564. Its totient is φ = 23906685660.

The previous prime is 26297354323. The next prime is 26297354351. The reversal of 26297354347 is 74345379262.

It is a de Polignac number, because none of the positive numbers 2^k-26297354347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26297354294 and 26297354303.

It is not an unprimeable number, because it can be changed into a prime (26297354387) 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 5 ways as a sum of consecutive naturals, for example, 108666633 + ... + 108666874.

Almost surely, 2^26297354347 is an apocalyptic number.

26297354347 is a deficient number, since it is larger than the sum of its proper divisors (2608002217).

26297354347 is a wasteful number, since it uses less digits than its factorization.

26297354347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217333529 (or 217333518 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 52.

The spelling of 26297354347 in words is "twenty-six billion, two hundred ninety-seven million, three hundred fifty-four thousand, three hundred forty-seven".