26813054393 has 4 divisors (see below), whose sum is σ = 27383544960. Its totient is φ = 26242563828.

The previous prime is 26813054341. The next prime is 26813054413. The reversal of 26813054393 is 39345031862.

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 26813054393 - 2¹⁶ = 26812988857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26813054293) 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, 285245213 + ... + 285245306.

It is an arithmetic number, because the mean of its divisors is an integer number (6845886240).

Almost surely, 2^26813054393 is an apocalyptic number.

It is an amenable number.

26813054393 is a deficient number, since it is larger than the sum of its proper divisors (570490567).

26813054393 is an equidigital number, since it uses as much as digits as its factorization.

26813054393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570490566.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 26813054393 in words is "twenty-six billion, eight hundred thirteen million, fifty-four thousand, three hundred ninety-three".