25734093251934 has 16 divisors (see below), whose sum is σ = 51469057740672. Its totient is φ = 8577885877848.

The previous prime is 25734093251917. The next prime is 25734093251939. The reversal of 25734093251934 is 43915239043752.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25734093251939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35917234 + ... + 36626709.

It is an arithmetic number, because the mean of its divisors is an integer number (3216816108792).

Almost surely, 2^{25734093251934} is an apocalyptic number.

25734093251934 is an abundant number, since it is smaller than the sum of its proper divisors (25734964488738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25734093251934 is a wasteful number, since it uses less digits than its factorization.

25734093251934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72603071.

The product of its (nonzero) digits is 24494400, while the sum is 57.

The spelling of 25734093251934 in words is "twenty-five trillion, seven hundred thirty-four billion, ninety-three million, two hundred fifty-one thousand, nine hundred thirty-four".