250243134434353 has 2 divisors, whose sum is σ = 250243134434354. Its totient is φ = 250243134434352.

The previous prime is 250243134434351. The next prime is 250243134434369. The reversal of 250243134434353 is 353434431342052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160807963896064 + 89435170538289 = 12681008^2 + 9457017^2 .

It is a cyclic number.

It is not a de Polignac number, because 250243134434353 - 2¹ = 250243134434351 is a prime.

Together with 250243134434351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (250243134434351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125121567217176 + 125121567217177.

It is an arithmetic number, because the mean of its divisors is an integer number (125121567217177).

Almost surely, 2^{250243134434353} is an apocalyptic number.

It is an amenable number.

250243134434353 is a deficient number, since it is larger than the sum of its proper divisors (1).

250243134434353 is an equidigital number, since it uses as much as digits as its factorization.

250243134434353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 46.

The spelling of 250243134434353 in words is "two hundred fifty trillion, two hundred forty-three billion, one hundred thirty-four million, four hundred thirty-four thousand, three hundred fifty-three".