1342347493 has 2 divisors, whose sum is σ = 1342347494. Its totient is φ = 1342347492.

The previous prime is 1342347481. The next prime is 1342347497. The reversal of 1342347493 is 3947432431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1337950084 + 4397409 = 36578^2 + 2097^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342347493 - 2¹³ = 1342339301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342347497) 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, 671173746 + 671173747.

It is an arithmetic number, because the mean of its divisors is an integer number (671173747).

Almost surely, 2^1342347493 is an apocalyptic number.

It is an amenable number.

1342347493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342347493 is an equidigital number, since it uses as much as digits as its factorization.

1342347493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The square root of 1342347493 is about 36638.0607156001. The cubic root of 1342347493 is about 1103.1171892681.

The spelling of 1342347493 in words is "one billion, three hundred forty-two million, three hundred forty-seven thousand, four hundred ninety-three".