26396745903 has 24 divisors (see below), whose sum is σ = 44041632336. Its totient is φ = 15056966400.

The previous prime is 26396745883. The next prime is 26396745913. The reversal of 26396745903 is 30954769362.

It is not a de Polignac number, because 26396745903 - 2¹⁰ = 26396744879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26396745903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26396745913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7840488 + ... + 7843853.

It is an arithmetic number, because the mean of its divisors is an integer number (1835068014).

Almost surely, 2^26396745903 is an apocalyptic number.

26396745903 is a deficient number, since it is larger than the sum of its proper divisors (17644886433).

26396745903 is a wasteful number, since it uses less digits than its factorization.

26396745903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15684375 (or 15684372 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 26396745903 in words is "twenty-six billion, three hundred ninety-six million, seven hundred forty-five thousand, nine hundred three".