250500989213 has 4 divisors (see below), whose sum is σ = 250545027420. Its totient is φ = 250456951008.

The previous prime is 250500989209. The next prime is 250500989269. The reversal of 250500989213 is 312989005052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 234136951129 + 16364038084 = 483877^2 + 127922^2 .

It is a cyclic number.

It is not a de Polignac number, because 250500989213 - 2² = 250500989209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250500989203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22010570 + ... + 22021947.

It is an arithmetic number, because the mean of its divisors is an integer number (62636256855).

Almost surely, 2^250500989213 is an apocalyptic number.

It is an amenable number.

250500989213 is a deficient number, since it is larger than the sum of its proper divisors (44038207).

250500989213 is an equidigital number, since it uses as much as digits as its factorization.

250500989213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44038206.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 250500989213 in words is "two hundred fifty billion, five hundred million, nine hundred eighty-nine thousand, two hundred thirteen".