25671318742 has 8 divisors (see below), whose sum is σ = 38507862456. Its totient is φ = 12835364592.

The previous prime is 25671318733. The next prime is 25671318749. The reversal of 25671318742 is 24781317652.

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

It is a junction number, because it is equal to n+sod(n) for n = 25671318692 and 25671318701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25671318749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14608 + ... + 227059.

It is an arithmetic number, because the mean of its divisors is an integer number (4813482807).

Almost surely, 2^25671318742 is an apocalyptic number.

25671318742 is a deficient number, since it is larger than the sum of its proper divisors (12836543714).

25671318742 is a wasteful number, since it uses less digits than its factorization.

25671318742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294782.

The product of its digits is 564480, while the sum is 46.

The spelling of 25671318742 in words is "twenty-five billion, six hundred seventy-one million, three hundred eighteen thousand, seven hundred forty-two".