1345253432563 has 2 divisors, whose sum is σ = 1345253432564. Its totient is φ = 1345253432562.

The previous prime is 1345253432531. The next prime is 1345253432581. The reversal of 1345253432563 is 3652343525431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1345253432563 - 2⁵ = 1345253432531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345253432063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672626716281 + 672626716282.

It is an arithmetic number, because the mean of its divisors is an integer number (672626716282).

Almost surely, 2^{1345253432563} is an apocalyptic number.

1345253432563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345253432563 is an equidigital number, since it uses as much as digits as its factorization.

1345253432563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 46.

Adding to 1345253432563 its reverse (3652343525431), we get a palindrome (4997596957994).

The spelling of 1345253432563 in words is "one trillion, three hundred forty-five billion, two hundred fifty-three million, four hundred thirty-two thousand, five hundred sixty-three".