25127427338 has 16 divisors (see below), whose sum is σ = 40830646920. Its totient is φ = 11597272128.

The previous prime is 25127427329. The next prime is 25127427349. The reversal of 25127427338 is 83372472152.

It can be written as a sum of positive squares in 4 ways, for example, as 364313569 + 24763113769 = 19087^2 + 157363^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854895 + ... + 2863682.

Almost surely, 2^25127427338 is an apocalyptic number.

25127427338 is a deficient number, since it is larger than the sum of its proper divisors (15703219582).

25127427338 is an equidigital number, since it uses as much as digits as its factorization.

25127427338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718618 (or 5718592 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The spelling of 25127427338 in words is "twenty-five billion, one hundred twenty-seven million, four hundred twenty-seven thousand, three hundred thirty-eight".