26042643433 has 4 divisors (see below), whose sum is σ = 26230000720. Its totient is φ = 25855286148.

The previous prime is 26042643427. The next prime is 26042643467. The reversal of 26042643433 is 33434624062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26042643433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26042643392 and 26042643401.

It is not an unprimeable number, because it can be changed into a prime (26042640433) 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, 93678435 + ... + 93678712.

It is an arithmetic number, because the mean of its divisors is an integer number (6557500180).

Almost surely, 2^26042643433 is an apocalyptic number.

It is an amenable number.

26042643433 is a deficient number, since it is larger than the sum of its proper divisors (187357287).

26042643433 is a wasteful number, since it uses less digits than its factorization.

26042643433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187357286.

The product of its (nonzero) digits is 248832, while the sum is 37.

The spelling of 26042643433 in words is "twenty-six billion, forty-two million, six hundred forty-three thousand, four hundred thirty-three".