27130729250 has 32 divisors (see below), whose sum is σ = 53776305648. Its totient is φ = 10213920000.

The previous prime is 27130729243. The next prime is 27130729253. The reversal of 27130729250 is 5292703172.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11219681929 + 15911047321 = 105923^2 + 126139^2 .

It is not an unprimeable number, because it can be changed into a prime (27130729253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3187601 + ... + 3196100.

Almost surely, 2^27130729250 is an apocalyptic number.

27130729250 is a deficient number, since it is larger than the sum of its proper divisors (26645576398).

27130729250 is a wasteful number, since it uses less digits than its factorization.

27130729250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383735 (or 6383725 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 27130729250 in words is "twenty-seven billion, one hundred thirty million, seven hundred twenty-nine thousand, two hundred fifty".