25786243093 has 32 divisors (see below), whose sum is σ = 30243919104. Its totient is φ = 21763924992.

The previous prime is 25786243079. The next prime is 25786243097. The reversal of 25786243093 is 39034268752.

It is a cyclic number.

It is not a de Polignac number, because 25786243093 - 2¹⁷ = 25786112021 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 (25786243097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6433296 + ... + 6437302.

It is an arithmetic number, because the mean of its divisors is an integer number (945122472).

Almost surely, 2^25786243093 is an apocalyptic number.

It is an amenable number.

25786243093 is a deficient number, since it is larger than the sum of its proper divisors (4457676011).

25786243093 is a wasteful number, since it uses less digits than its factorization.

25786243093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 25786243093 in words is "twenty-five billion, seven hundred eighty-six million, two hundred forty-three thousand, ninety-three".