26861413433 has 4 divisors (see below), whose sum is σ = 26916121488. Its totient is φ = 26806705380.

The previous prime is 26861413393. The next prime is 26861413441. The reversal of 26861413433 is 33431416862.

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 not a de Polignac number, because 26861413433 - 2²⁶ = 26794304569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26861418433) 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, 27353291 + ... + 27354272.

It is an arithmetic number, because the mean of its divisors is an integer number (6729030372).

Almost surely, 2^26861413433 is an apocalyptic number.

It is an amenable number.

26861413433 is a deficient number, since it is larger than the sum of its proper divisors (54708055).

26861413433 is an equidigital number, since it uses as much as digits as its factorization.

26861413433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54708054.

The product of its digits is 248832, while the sum is 41.

The spelling of 26861413433 in words is "twenty-six billion, eight hundred sixty-one million, four hundred thirteen thousand, four hundred thirty-three".