1345433653 has 2 divisors, whose sum is σ = 1345433654. Its totient is φ = 1345433652.

The previous prime is 1345433651. The next prime is 1345433659. The reversal of 1345433653 is 3563345431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1039288644 + 306145009 = 32238^2 + 17497^2 .

It is an emirp because it is prime and its reverse (3563345431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345433653 - 2¹ = 1345433651 is a prime.

Together with 1345433651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345433651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672716826 + 672716827.

It is an arithmetic number, because the mean of its divisors is an integer number (672716827).

Almost surely, 2^1345433653 is an apocalyptic number.

It is an amenable number.

1345433653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345433653 is an equidigital number, since it uses as much as digits as its factorization.

1345433653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 37.

The square root of 1345433653 is about 36680.1533938995. The cubic root of 1345433653 is about 1103.9619259453.

The spelling of 1345433653 in words is "one billion, three hundred forty-five million, four hundred thirty-three thousand, six hundred fifty-three".