1344553939 has 2 divisors, whose sum is σ = 1344553940. Its totient is φ = 1344553938.

The previous prime is 1344553937. The next prime is 1344553961. The reversal of 1344553939 is 9393554431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344553939 - 2¹ = 1344553937 is a prime.

Together with 1344553937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1344553933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672276969 + 672276970.

It is an arithmetic number, because the mean of its divisors is an integer number (672276970).

Almost surely, 2^1344553939 is an apocalyptic number.

1344553939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344553939 is an equidigital number, since it uses as much as digits as its factorization.

1344553939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 46.

The square root of 1344553939 is about 36668.1597438432. The cubic root of 1344553939 is about 1103.7212643802.

The spelling of 1344553939 in words is "one billion, three hundred forty-four million, five hundred fifty-three thousand, nine hundred thirty-nine".