1342384391 has 2 divisors, whose sum is σ = 1342384392. Its totient is φ = 1342384390.

The previous prime is 1342384339. The next prime is 1342384399. The reversal of 1342384391 is 1934832431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342384391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342384399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671192195 + 671192196.

It is an arithmetic number, because the mean of its divisors is an integer number (671192196).

Almost surely, 2^1342384391 is an apocalyptic number.

1342384391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342384391 is an equidigital number, since it uses as much as digits as its factorization.

1342384391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 1342384391 is about 36638.5642595340. The cubic root of 1342384391 is about 1103.1272965479.

The spelling of 1342384391 in words is "one billion, three hundred forty-two million, three hundred eighty-four thousand, three hundred ninety-one".