1342351643 has 2 divisors, whose sum is σ = 1342351644. Its totient is φ = 1342351642.

The previous prime is 1342351607. The next prime is 1342351649. The reversal of 1342351643 is 3461532431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1342351643 - 2¹² = 1342347547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342351649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671175821 + 671175822.

It is an arithmetic number, because the mean of its divisors is an integer number (671175822).

Almost surely, 2^1342351643 is an apocalyptic number.

1342351643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342351643 is an equidigital number, since it uses as much as digits as its factorization.

1342351643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 1342351643 is about 36638.1173506500. The cubic root of 1342351643 is about 1103.1183260655.

The spelling of 1342351643 in words is "one billion, three hundred forty-two million, three hundred fifty-one thousand, six hundred forty-three".