26557274093 has 16 divisors (see below), whose sum is σ = 31717287936. Its totient is φ = 21741696240.

The previous prime is 26557274087. The next prime is 26557274099. The reversal of 26557274093 is 39047275562.

It is an interprime number because it is at equal distance from previous prime (26557274087) and next prime (26557274099).

It is a cyclic number.

It is not a de Polignac number, because 26557274093 - 2¹² = 26557269997 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 (26557274099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10793 + ... + 230718.

It is an arithmetic number, because the mean of its divisors is an integer number (1982330496).

Almost surely, 2^26557274093 is an apocalyptic number.

26557274093 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

26557274093 is a deficient number, since it is larger than the sum of its proper divisors (5160013843).

26557274093 is a wasteful number, since it uses less digits than its factorization.

26557274093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242224.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 26557274093 in words is "twenty-six billion, five hundred fifty-seven million, two hundred seventy-four thousand, ninety-three".