1346406567449 has 2 divisors, whose sum is σ = 1346406567450. Its totient is φ = 1346406567448.

The previous prime is 1346406567433. The next prime is 1346406567461. The reversal of 1346406567449 is 9447656046431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 940643937424 + 405762630025 = 969868^2 + 636995^2 .

It is an emirp because it is prime and its reverse (9447656046431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1346406567449 - 2⁴ = 1346406567433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1346406567409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673203283724 + 673203283725.

It is an arithmetic number, because the mean of its divisors is an integer number (673203283725).

Almost surely, 2^{1346406567449} is an apocalyptic number.

It is an amenable number.

1346406567449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346406567449 is an equidigital number, since it uses as much as digits as its factorization.

1346406567449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 59.

The spelling of 1346406567449 in words is "one trillion, three hundred forty-six billion, four hundred six million, five hundred sixty-seven thousand, four hundred forty-nine".