251043224093 has 2 divisors, whose sum is σ = 251043224094. Its totient is φ = 251043224092.

The previous prime is 251043224053. The next prime is 251043224167. The reversal of 251043224093 is 390422340152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225627850009 + 25415374084 = 475003^2 + 159422^2 .

It is a cyclic number.

It is not a de Polignac number, because 251043224093 - 2³⁴ = 233863354909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251043224023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125521612046 + 125521612047.

It is an arithmetic number, because the mean of its divisors is an integer number (125521612047).

Almost surely, 2^251043224093 is an apocalyptic number.

It is an amenable number.

251043224093 is a deficient number, since it is larger than the sum of its proper divisors (1).

251043224093 is an equidigital number, since it uses as much as digits as its factorization.

251043224093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 251043224093 in words is "two hundred fifty-one billion, forty-three million, two hundred twenty-four thousand, ninety-three".