253421590211 has 2 divisors, whose sum is σ = 253421590212. Its totient is φ = 253421590210.

The previous prime is 253421590187. The next prime is 253421590229. The reversal of 253421590211 is 112095124352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253421590211 is a prime.

It is a super-2 number, since 2×253421590211² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (253421590811) 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 as a sum of consecutive naturals, namely, 126710795105 + 126710795106.

It is an arithmetic number, because the mean of its divisors is an integer number (126710795106).

Almost surely, 2^253421590211 is an apocalyptic number.

253421590211 is a deficient number, since it is larger than the sum of its proper divisors (1).

253421590211 is an equidigital number, since it uses as much as digits as its factorization.

253421590211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 253421590211 in words is "two hundred fifty-three billion, four hundred twenty-one million, five hundred ninety thousand, two hundred eleven".