2530421345443 has 2 divisors, whose sum is σ = 2530421345444. Its totient is φ = 2530421345442.

The previous prime is 2530421345393. The next prime is 2530421345467. The reversal of 2530421345443 is 3445431240352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2530421345443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2530421345396 and 2530421345405.

It is not a weakly prime, because it can be changed into another prime (2530421345843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265210672721 + 1265210672722.

It is an arithmetic number, because the mean of its divisors is an integer number (1265210672722).

Almost surely, 2^{2530421345443} is an apocalyptic number.

2530421345443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530421345443 is an equidigital number, since it uses as much as digits as its factorization.

2530421345443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 2530421345443 its reverse (3445431240352), we get a palindrome (5975852585795).

The spelling of 2530421345443 in words is "two trillion, five hundred thirty billion, four hundred twenty-one million, three hundred forty-five thousand, four hundred forty-three".