26861409083 has 4 divisors (see below), whose sum is σ = 26890077480. Its totient is φ = 26832740688.

The previous prime is 26861409059. The next prime is 26861409137. The reversal of 26861409083 is 38090416862.

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-26861409083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26861409013) 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, 14332793 + ... + 14334666.

It is an arithmetic number, because the mean of its divisors is an integer number (6722519370).

Almost surely, 2^26861409083 is an apocalyptic number.

26861409083 is a deficient number, since it is larger than the sum of its proper divisors (28668397).

26861409083 is an equidigital number, since it uses as much as digits as its factorization.

26861409083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28668396.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 26861409083 in words is "twenty-six billion, eight hundred sixty-one million, four hundred nine thousand, eighty-three".