1343435561773 has 4 divisors (see below), whose sum is σ = 1355760658780. Its totient is φ = 1331110464768.

The previous prime is 1343435561731. The next prime is 1343435561803. The reversal of 1343435561773 is 3771655343431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 346287525444 + 997148036329 = 588462^2 + 998573^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343435561773 - 2²¹ = 1343433464621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1343435561773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343435568773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6162548340 + ... + 6162548557.

It is an arithmetic number, because the mean of its divisors is an integer number (338940164695).

Almost surely, 2^{1343435561773} is an apocalyptic number.

It is an amenable number.

1343435561773 is a deficient number, since it is larger than the sum of its proper divisors (12325097007).

1343435561773 is a wasteful number, since it uses less digits than its factorization.

1343435561773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12325097006.

The product of its digits is 9525600, while the sum is 52.

The spelling of 1343435561773 in words is "one trillion, three hundred forty-three billion, four hundred thirty-five million, five hundred sixty-one thousand, seven hundred seventy-three".