26812739413 has 4 divisors (see below), whose sum is σ = 26919563328. Its totient is φ = 26705915500.

The previous prime is 26812739383. The next prime is 26812739419. The reversal of 26812739413 is 31493721862.

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 26812739413 - 2⁵ = 26812739381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26812739419) 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, 53411581 + ... + 53412082.

It is an arithmetic number, because the mean of its divisors is an integer number (6729890832).

Almost surely, 2^26812739413 is an apocalyptic number.

It is an amenable number.

26812739413 is a deficient number, since it is larger than the sum of its proper divisors (106823915).

26812739413 is a wasteful number, since it uses less digits than its factorization.

26812739413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106823914.

The product of its digits is 435456, while the sum is 46.

The spelling of 26812739413 in words is "twenty-six billion, eight hundred twelve million, seven hundred thirty-nine thousand, four hundred thirteen".