1330287733 has 2 divisors, whose sum is σ = 1330287734. Its totient is φ = 1330287732.

The previous prime is 1330287727. The next prime is 1330287767. The reversal of 1330287733 is 3377820331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1320813649 + 9474084 = 36343^2 + 3078^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330287733 - 2¹³ = 1330279541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1330287692 and 1330287701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330287713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665143866 + 665143867.

It is an arithmetic number, because the mean of its divisors is an integer number (665143867).

Almost surely, 2^1330287733 is an apocalyptic number.

It is an amenable number.

1330287733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330287733 is an equidigital number, since it uses as much as digits as its factorization.

1330287733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 1330287733 is about 36473.1097248370. The cubic root of 1330287733 is about 1099.8037481842.

The spelling of 1330287733 in words is "one billion, three hundred thirty million, two hundred eighty-seven thousand, seven hundred thirty-three".