1352999369 has 2 divisors, whose sum is σ = 1352999370. Its totient is φ = 1352999368.

The previous prime is 1352999353. The next prime is 1352999381. The reversal of 1352999369 is 9639992531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 824551225 + 528448144 = 28715^2 + 22988^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352999369 - 2⁴ = 1352999353 is a prime.

It is a super-2 number, since 2×1352999369² = 3661214585028796322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1352999969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676499684 + 676499685.

It is an arithmetic number, because the mean of its divisors is an integer number (676499685).

Almost surely, 2^1352999369 is an apocalyptic number.

It is an amenable number.

1352999369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352999369 is an equidigital number, since it uses as much as digits as its factorization.

1352999369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3542940, while the sum is 56.

The square root of 1352999369 is about 36783.1397382007. The cubic root of 1352999369 is about 1106.0273456414.

The spelling of 1352999369 in words is "one billion, three hundred fifty-two million, nine hundred ninety-nine thousand, three hundred sixty-nine".