250041445421 has 2 divisors, whose sum is σ = 250041445422. Its totient is φ = 250041445420.

The previous prime is 250041445361. The next prime is 250041445469. The reversal of 250041445421 is 124544140052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207948768196 + 42092677225 = 456014^2 + 205165^2 .

It is a cyclic number.

It is not a de Polignac number, because 250041445421 - 2³⁰ = 248967703597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250041445471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125020722710 + 125020722711.

It is an arithmetic number, because the mean of its divisors is an integer number (125020722711).

Almost surely, 2^250041445421 is an apocalyptic number.

It is an amenable number.

250041445421 is a deficient number, since it is larger than the sum of its proper divisors (1).

250041445421 is an equidigital number, since it uses as much as digits as its factorization.

250041445421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 250041445421 its reverse (124544140052), we get a palindrome (374585585473).

The spelling of 250041445421 in words is "two hundred fifty billion, forty-one million, four hundred forty-five thousand, four hundred twenty-one".