1352039989 has 2 divisors, whose sum is σ = 1352039990. Its totient is φ = 1352039988.

The previous prime is 1352039963. The next prime is 1352040061. The reversal of 1352039989 is 9899302531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1257269764 + 94770225 = 35458^2 + 9735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352039989 - 2¹³ = 1352031797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1352039939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676019994 + 676019995.

It is an arithmetic number, because the mean of its divisors is an integer number (676019995).

Almost surely, 2^1352039989 is an apocalyptic number.

It is an amenable number.

1352039989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352039989 is an equidigital number, since it uses as much as digits as its factorization.

1352039989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 1352039989 is about 36770.0963963925. The cubic root of 1352039989 is about 1105.7658645107.

The spelling of 1352039989 in words is "one billion, three hundred fifty-two million, thirty-nine thousand, nine hundred eighty-nine".