25270317650 has 12 divisors (see below), whose sum is σ = 47002790922. Its totient is φ = 10108127040.

The previous prime is 25270317643. The next prime is 25270317689. The reversal of 25270317650 is 5671307252.

It can be written as a sum of positive squares in 3 ways, for example, as 17463358201 + 7806959449 = 132149^2 + 88357^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252703127 + ... + 252703226.

Almost surely, 2^25270317650 is an apocalyptic number.

25270317650 is a deficient number, since it is larger than the sum of its proper divisors (21732473272).

25270317650 is a wasteful number, since it uses less digits than its factorization.

25270317650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505406365 (or 505406360 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 25270317650 in words is "twenty-five billion, two hundred seventy million, three hundred seventeen thousand, six hundred fifty".