1333752989 has 2 divisors, whose sum is σ = 1333752990. Its totient is φ = 1333752988.

The previous prime is 1333752943. The next prime is 1333753009. The reversal of 1333752989 is 9892573331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1291827364 + 41925625 = 35942^2 + 6475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1333752989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1333752929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666876494 + 666876495.

It is an arithmetic number, because the mean of its divisors is an integer number (666876495).

Almost surely, 2^1333752989 is an apocalyptic number.

It is an amenable number.

1333752989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333752989 is an equidigital number, since it uses as much as digits as its factorization.

1333752989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The square root of 1333752989 is about 36520.5830868019. The cubic root of 1333752989 is about 1100.7578768924.

The spelling of 1333752989 in words is "one billion, three hundred thirty-three million, seven hundred fifty-two thousand, nine hundred eighty-nine".