1342322404649 has 2 divisors, whose sum is σ = 1342322404650. Its totient is φ = 1342322404648.

The previous prime is 1342322404607. The next prime is 1342322404673. The reversal of 1342322404649 is 9464042232431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1316056368025 + 26266036624 = 1147195^2 + 162068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342322404649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1342322494649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671161202324 + 671161202325.

It is an arithmetic number, because the mean of its divisors is an integer number (671161202325).

Almost surely, 2^{1342322404649} is an apocalyptic number.

It is an amenable number.

1342322404649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342322404649 is an equidigital number, since it uses as much as digits as its factorization.

1342322404649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 1342322404649 in words is "one trillion, three hundred forty-two billion, three hundred twenty-two million, four hundred four thousand, six hundred forty-nine".