26397601789351 has 4 divisors (see below), whose sum is σ = 28428186542392. Its totient is φ = 24367017036312.

The previous prime is 26397601789313. The next prime is 26397601789357. The reversal of 26397601789351 is 15398710679362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26397601789351 - 2⁹ = 26397601788839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26397601789357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015292376501 + ... + 1015292376526.

It is an arithmetic number, because the mean of its divisors is an integer number (7107046635598).

Almost surely, 2^{26397601789351} is an apocalyptic number.

26397601789351 is a deficient number, since it is larger than the sum of its proper divisors (2030584753041).

26397601789351 is a wasteful number, since it uses less digits than its factorization.

26397601789351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030584753040.

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 26397601789351 in words is "twenty-six trillion, three hundred ninety-seven billion, six hundred one million, seven hundred eighty-nine thousand, three hundred fifty-one".