25743783380538 has 8 divisors (see below), whose sum is σ = 51487566761088. Its totient is φ = 8581261126844.

The previous prime is 25743783380489. The next prime is 25743783380563. The reversal of 25743783380538 is 83508338734752.

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

25743783380538 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2145315281706 + ... + 2145315281717.

It is an arithmetic number, because the mean of its divisors is an integer number (6435945845136).

Almost surely, 2^{25743783380538} is an apocalyptic number.

25743783380538 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.

25743783380538 is a wasteful number, since it uses less digits than its factorization.

25743783380538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290630563428.

The product of its (nonzero) digits is 406425600, while the sum is 66.

The spelling of 25743783380538 in words is "twenty-five trillion, seven hundred forty-three billion, seven hundred eighty-three million, three hundred eighty thousand, five hundred thirty-eight".