253421447143 has 2 divisors, whose sum is σ = 253421447144. Its totient is φ = 253421447142.

The previous prime is 253421447117. The next prime is 253421447179. The reversal of 253421447143 is 341744124352.

253421447143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253421447143 - 2²⁵ = 253387892711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253421447096 and 253421447105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253421447113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126710723571 + 126710723572.

It is an arithmetic number, because the mean of its divisors is an integer number (126710723572).

Almost surely, 2^253421447143 is an apocalyptic number.

253421447143 is a deficient number, since it is larger than the sum of its proper divisors (1).

253421447143 is an equidigital number, since it uses as much as digits as its factorization.

253421447143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 40.

The spelling of 253421447143 in words is "two hundred fifty-three billion, four hundred twenty-one million, four hundred forty-seven thousand, one hundred forty-three".