25425242366 has 8 divisors (see below), whose sum is σ = 38371838664. Its totient is φ = 12634629480.

The previous prime is 25425242357. The next prime is 25425242377. The reversal of 25425242366 is 66324252452.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38995445 + ... + 38996096.

It is an arithmetic number, because the mean of its divisors is an integer number (4796479833).

Almost surely, 2^25425242366 is an apocalyptic number.

25425242366 is a deficient number, since it is larger than the sum of its proper divisors (12946596298).

25425242366 is a wasteful number, since it uses less digits than its factorization.

25425242366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77991706.

The product of its digits is 691200, while the sum is 41.

The spelling of 25425242366 in words is "twenty-five billion, four hundred twenty-five million, two hundred forty-two thousand, three hundred sixty-six".