1344557803 has 2 divisors, whose sum is σ = 1344557804. Its totient is φ = 1344557802.

The previous prime is 1344557779. The next prime is 1344557831. The reversal of 1344557803 is 3087554431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344557803 - 2⁵ = 1344557771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344557833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672278901 + 672278902.

It is an arithmetic number, because the mean of its divisors is an integer number (672278902).

Almost surely, 2^1344557803 is an apocalyptic number.

1344557803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344557803 is an equidigital number, since it uses as much as digits as its factorization.

1344557803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 1344557803 is about 36668.2124325689. The cubic root of 1344557803 is about 1103.7223216763.

The spelling of 1344557803 in words is "one billion, three hundred forty-four million, five hundred fifty-seven thousand, eight hundred three".