26342017403 has 4 divisors (see below), whose sum is σ = 28368326448. Its totient is φ = 24315708360.

The previous prime is 26342017393. The next prime is 26342017409. The reversal of 26342017403 is 30471024362.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26342017403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26342017403.

It is not an unprimeable number, because it can be changed into a prime (26342017409) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1013154503 + ... + 1013154528.

It is an arithmetic number, because the mean of its divisors is an integer number (7092081612).

Almost surely, 2^26342017403 is an apocalyptic number.

26342017403 is a deficient number, since it is larger than the sum of its proper divisors (2026309045).

26342017403 is a wasteful number, since it uses less digits than its factorization.

26342017403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026309044.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 26342017403 in words is "twenty-six billion, three hundred forty-two million, seventeen thousand, four hundred three".