25734061686 has 8 divisors (see below), whose sum is σ = 51468123384. Its totient is φ = 8578020560.

The previous prime is 25734061679. The next prime is 25734061687. The reversal of 25734061686 is 68616043752.

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

25734061686 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25734061687) 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, 2144505135 + ... + 2144505146.

It is an arithmetic number, because the mean of its divisors is an integer number (6433515423).

Almost surely, 2^25734061686 is an apocalyptic number.

25734061686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25734061686 is a wasteful number, since it uses less digits than its factorization.

25734061686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289010286.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 25734061686 in words is "twenty-five billion, seven hundred thirty-four million, sixty-one thousand, six hundred eighty-six".