1343552657969 has 2 divisors, whose sum is σ = 1343552657970. Its totient is φ = 1343552657968.

The previous prime is 1343552657933. The next prime is 1343552657987. The reversal of 1343552657969 is 9697562553431.

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., 1119179915569 + 224372742400 = 1057913^2 + 473680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343552657969 is a prime.

It is a super-2 number, since 2×1343552657969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1343552677969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671776328984 + 671776328985.

It is an arithmetic number, because the mean of its divisors is an integer number (671776328985).

Almost surely, 2^{1343552657969} is an apocalyptic number.

It is an amenable number.

1343552657969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343552657969 is an equidigital number, since it uses as much as digits as its factorization.

1343552657969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708000, while the sum is 65.

The spelling of 1343552657969 in words is "one trillion, three hundred forty-three billion, five hundred fifty-two million, six hundred fifty-seven thousand, nine hundred sixty-nine".