1345253510243 has 2 divisors, whose sum is σ = 1345253510244. Its totient is φ = 1345253510242.

The previous prime is 1345253510239. The next prime is 1345253510257. The reversal of 1345253510243 is 3420153525431.

It is a weak prime.

It is an emirp because it is prime and its reverse (3420153525431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345253510243 - 2² = 1345253510239 is a prime.

It is a super-2 number, since 2×1345253510243² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345253510197 and 1345253510206.

It is not a weakly prime, because it can be changed into another prime (1345253510443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672626755121 + 672626755122.

It is an arithmetic number, because the mean of its divisors is an integer number (672626755122).

Almost surely, 2^{1345253510243} is an apocalyptic number.

1345253510243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345253510243 is an equidigital number, since it uses as much as digits as its factorization.

1345253510243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1345253510243 in words is "one trillion, three hundred forty-five billion, two hundred fifty-three million, five hundred ten thousand, two hundred forty-three".