1343321342477 has 2 divisors, whose sum is σ = 1343321342478. Its totient is φ = 1343321342476.

The previous prime is 1343321342431. The next prime is 1343321342497. The reversal of 1343321342477 is 7742431233431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1339514575876 + 3806766601 = 1157374^2 + 61699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343321342477 - 2²⁰ = 1343320293901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343321342497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671660671238 + 671660671239.

It is an arithmetic number, because the mean of its divisors is an integer number (671660671239).

Almost surely, 2^{1343321342477} is an apocalyptic number.

It is an amenable number.

1343321342477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343321342477 is an equidigital number, since it uses as much as digits as its factorization.

1343321342477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 44.

The spelling of 1343321342477 in words is "one trillion, three hundred forty-three billion, three hundred twenty-one million, three hundred forty-two thousand, four hundred seventy-seven".