1493334643 has 2 divisors, whose sum is σ = 1493334644. Its totient is φ = 1493334642.

The previous prime is 1493334637. The next prime is 1493334721. The reversal of 1493334643 is 3464333941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1493334643 - 2²⁹ = 956463731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1493334596 and 1493334605.

It is not a weakly prime, because it can be changed into another prime (1493374643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746667321 + 746667322.

It is an arithmetic number, because the mean of its divisors is an integer number (746667322).

Almost surely, 2^1493334643 is an apocalyptic number.

1493334643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493334643 is an equidigital number, since it uses as much as digits as its factorization.

1493334643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 40.

The square root of 1493334643 is about 38643.6882685905. The cubic root of 1493334643 is about 1143.0161851201.

The spelling of 1493334643 in words is "one billion, four hundred ninety-three million, three hundred thirty-four thousand, six hundred forty-three".