1342447449797 has 2 divisors, whose sum is σ = 1342447449798. Its totient is φ = 1342447449796.

The previous prime is 1342447449691. The next prime is 1342447449829. The reversal of 1342447449797 is 7979447442431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1241065068961 + 101382380836 = 1114031^2 + 318406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342447449797 - 2³⁴ = 1325267580613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342447449997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671223724898 + 671223724899.

It is an arithmetic number, because the mean of its divisors is an integer number (671223724899).

Almost surely, 2^{1342447449797} is an apocalyptic number.

It is an amenable number.

1342447449797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342447449797 is an equidigital number, since it uses as much as digits as its factorization.

1342447449797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170698752, while the sum is 65.

The spelling of 1342447449797 in words is "one trillion, three hundred forty-two billion, four hundred forty-seven million, four hundred forty-nine thousand, seven hundred ninety-seven".