1342371643 has 2 divisors, whose sum is σ = 1342371644. Its totient is φ = 1342371642.

The previous prime is 1342371637. The next prime is 1342371649. The reversal of 1342371643 is 3461732431.

It is a balanced prime because it is at equal distance from previous prime (1342371637) and next prime (1342371649).

It is an emirp because it is prime and its reverse (3461732431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1342371643 - 2⁹ = 1342371131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342371599 and 1342371608.

It is not a weakly prime, because it can be changed into another prime (1342371649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671185821 + 671185822.

It is an arithmetic number, because the mean of its divisors is an integer number (671185822).

Almost surely, 2^1342371643 is an apocalyptic number.

1342371643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342371643 is an equidigital number, since it uses as much as digits as its factorization.

1342371643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

The square root of 1342371643 is about 36638.3902894218. The cubic root of 1342371643 is about 1103.1238045746.

The spelling of 1342371643 in words is "one billion, three hundred forty-two million, three hundred seventy-one thousand, six hundred forty-three".