26194840518953 has 8 divisors (see below), whose sum is σ = 27616532754720. Its totient is φ = 24777449925120.

The previous prime is 26194840518949. The next prime is 26194840518989. The reversal of 26194840518953 is 35981504849162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26194840518953 - 2² = 26194840518949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26194840518953.

It is not an unprimeable number, because it can be changed into a prime (26194840517953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075397975 + ... + 1075422332.

It is an arithmetic number, because the mean of its divisors is an integer number (3452066594340).

Almost surely, 2^{26194840518953} is an apocalyptic number.

It is an amenable number.

26194840518953 is a deficient number, since it is larger than the sum of its proper divisors (1421692235767).

26194840518953 is a wasteful number, since it uses less digits than its factorization.

26194840518953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150820967.

The product of its (nonzero) digits is 74649600, while the sum is 65.

The spelling of 26194840518953 in words is "twenty-six trillion, one hundred ninety-four billion, eight hundred forty million, five hundred eighteen thousand, nine hundred fifty-three".