1342217563 has 4 divisors (see below), whose sum is σ = 1343877480. Its totient is φ = 1340557648.

The previous prime is 1342217561. The next prime is 1342217567. The reversal of 1342217563 is 3657122431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3657122431 = 79 ⋅46292689.

It is a cyclic number.

It is not a de Polignac number, because 1342217563 - 2¹ = 1342217561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342217561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828745 + ... + 830362.

It is an arithmetic number, because the mean of its divisors is an integer number (335969370).

Almost surely, 2^1342217563 is an apocalyptic number.

1342217563 is a deficient number, since it is larger than the sum of its proper divisors (1659917).

1342217563 is an equidigital number, since it uses as much as digits as its factorization.

1342217563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659916.

The product of its digits is 30240, while the sum is 34.

The square root of 1342217563 is about 36636.2875166139. The cubic root of 1342217563 is about 1103.0815967354.

Adding to 1342217563 its reverse (3657122431), we get a palindrome (4999339994).

The spelling of 1342217563 in words is "one billion, three hundred forty-two million, two hundred seventeen thousand, five hundred sixty-three".