1324151989 has 2 divisors, whose sum is σ = 1324151990. Its totient is φ = 1324151988.

The previous prime is 1324151957. The next prime is 1324152001. The reversal of 1324151989 is 9891514231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1166222500 + 157929489 = 34150^2 + 12567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324151989 - 2⁵ = 1324151957 is a prime.

It is a super-2 number, since 2×1324151989² = 3506756979945312242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1324151909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662075994 + 662075995.

It is an arithmetic number, because the mean of its divisors is an integer number (662075995).

Almost surely, 2^1324151989 is an apocalyptic number.

It is an amenable number.

1324151989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324151989 is an equidigital number, since it uses as much as digits as its factorization.

1324151989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 43.

The square root of 1324151989 is about 36388.8992551300. The cubic root of 1324151989 is about 1098.1102509501.

The spelling of 1324151989 in words is "one billion, three hundred twenty-four million, one hundred fifty-one thousand, nine hundred eighty-nine".