2144253435047 has 2 divisors, whose sum is σ = 2144253435048. Its totient is φ = 2144253435046.

The previous prime is 2144253435043. The next prime is 2144253435053. The reversal of 2144253435047 is 7405343524412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144253435047 - 2² = 2144253435043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2144253434989 and 2144253435007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144253435043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072126717523 + 1072126717524.

It is an arithmetic number, because the mean of its divisors is an integer number (1072126717524).

Almost surely, 2^{2144253435047} is an apocalyptic number.

2144253435047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144253435047 is an equidigital number, since it uses as much as digits as its factorization.

2144253435047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 44.

Adding to 2144253435047 its reverse (7405343524412), we get a palindrome (9549596959459).

The spelling of 2144253435047 in words is "two trillion, one hundred forty-four billion, two hundred fifty-three million, four hundred thirty-five thousand, forty-seven".