25254338843 has 8 divisors (see below), whose sum is σ = 25433924400. Its totient is φ = 25074888160.

The previous prime is 25254338807. The next prime is 25254338881. The reversal of 25254338843 is 34883345252.

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

It is not a de Polignac number, because 25254338843 - 2²⁰ = 25253290267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25254338443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358196 + ... + 422862.

It is an arithmetic number, because the mean of its divisors is an integer number (3179240550).

Almost surely, 2^25254338843 is an apocalyptic number.

25254338843 is a deficient number, since it is larger than the sum of its proper divisors (179585557).

25254338843 is a wasteful number, since it uses less digits than its factorization.

25254338843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67437.

The product of its digits is 2764800, while the sum is 47.

The spelling of 25254338843 in words is "twenty-five billion, two hundred fifty-four million, three hundred thirty-eight thousand, eight hundred forty-three".