25243030838 has 8 divisors (see below), whose sum is σ = 37865571240. Its totient is φ = 12621173760.

The previous prime is 25243030801. The next prime is 25243030859. The reversal of 25243030838 is 83803034252.

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

It is a congruent 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, 65483 + ... + 234038.

It is an arithmetic number, because the mean of its divisors is an integer number (4733196405).

Almost surely, 2^25243030838 is an apocalyptic number.

25243030838 is a deficient number, since it is larger than the sum of its proper divisors (12622540402).

25243030838 is a wasteful number, since it uses less digits than its factorization.

25243030838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341662.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 25243030838 in words is "twenty-five billion, two hundred forty-three million, thirty thousand, eight hundred thirty-eight".