1344633473 has 2 divisors, whose sum is σ = 1344633474. Its totient is φ = 1344633472.

The previous prime is 1344633467. The next prime is 1344633487. The reversal of 1344633473 is 3743364431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 780475969 + 564157504 = 27937^2 + 23752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344633473 - 2¹⁰ = 1344632449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344633413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672316736 + 672316737.

It is an arithmetic number, because the mean of its divisors is an integer number (672316737).

Almost surely, 2^1344633473 is an apocalyptic number.

It is an amenable number.

1344633473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344633473 is an equidigital number, since it uses as much as digits as its factorization.

1344633473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 38.

The square root of 1344633473 is about 36669.2442381896. The cubic root of 1344633473 is about 1103.7430266499.

The spelling of 1344633473 in words is "one billion, three hundred forty-four million, six hundred thirty-three thousand, four hundred seventy-three".