1342443797 has 2 divisors, whose sum is σ = 1342443798. Its totient is φ = 1342443796.

The previous prime is 1342443763. The next prime is 1342443827. The reversal of 1342443797 is 7973442431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149955921 + 192487876 = 33911^2 + 13874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342443797 - 2⁶ = 1342443733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342446797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671221898 + 671221899.

It is an arithmetic number, because the mean of its divisors is an integer number (671221899).

Almost surely, 2^1342443797 is an apocalyptic number.

It is an amenable number.

1342443797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342443797 is an equidigital number, since it uses as much as digits as its factorization.

1342443797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 44.

The square root of 1342443797 is about 36639.3749537298. The cubic root of 1342443797 is about 1103.1435689395.

The spelling of 1342443797 in words is "one billion, three hundred forty-two million, four hundred forty-three thousand, seven hundred ninety-seven".