250042414103509 has 2 divisors, whose sum is σ = 250042414103510. Its totient is φ = 250042414103508.

The previous prime is 250042414103507. The next prime is 250042414103533. The reversal of 250042414103509 is 905301414240052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137465072702500 + 112577341401009 = 11724550^2 + 10610247^2 .

It is a cyclic number.

It is not a de Polignac number, because 250042414103509 - 2¹ = 250042414103507 is a prime.

It is a super-2 number, since 2×250042414103509² (a number of 30 digits) contains 22 as substring.

Together with 250042414103507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250042414103507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125021207051754 + 125021207051755.

It is an arithmetic number, because the mean of its divisors is an integer number (125021207051755).

Almost surely, 2^{250042414103509} is an apocalyptic number.

It is an amenable number.

250042414103509 is a deficient number, since it is larger than the sum of its proper divisors (1).

250042414103509 is an equidigital number, since it uses as much as digits as its factorization.

250042414103509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 250042414103509 in words is "two hundred fifty trillion, forty-two billion, four hundred fourteen million, one hundred three thousand, five hundred nine".