1343202451453 has 4 divisors (see below), whose sum is σ = 1422214360380. Its totient is φ = 1264190542528.

The previous prime is 1343202451427. The next prime is 1343202451463. The reversal of 1343202451453 is 3541542023431.

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 1074668102244 + 268534349209 = 1036662^2 + 518203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343202451453 is a prime.

It is a super-2 number, since 2×1343202451453² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343202451463) 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, 39505954438 + ... + 39505954471.

It is an arithmetic number, because the mean of its divisors is an integer number (355553590095).

Almost surely, 2^{1343202451453} is an apocalyptic number.

It is an amenable number.

1343202451453 is a deficient number, since it is larger than the sum of its proper divisors (79011908927).

1343202451453 is an equidigital number, since it uses as much as digits as its factorization.

1343202451453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79011908926.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 1343202451453 its reverse (3541542023431), we get a palindrome (4884744474884).

The spelling of 1343202451453 in words is "one trillion, three hundred forty-three billion, two hundred two million, four hundred fifty-one thousand, four hundred fifty-three".