3539450689 has 2 divisors, whose sum is σ = 3539450690. Its totient is φ = 3539450688.

The previous prime is 3539450687. The next prime is 3539450693. The reversal of 3539450689 is 9860549353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3362028289 + 177422400 = 57983^2 + 13320^2 .

It is a cyclic number.

It is not a de Polignac number, because 3539450689 - 2¹ = 3539450687 is a prime.

It is a super-2 number, since 2×3539450689² = 25055422359725149442, which contains 22 as substring.

Together with 3539450687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3539450687) 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, 1769725344 + 1769725345.

It is an arithmetic number, because the mean of its divisors is an integer number (1769725345).

Almost surely, 2^3539450689 is an apocalyptic number.

It is an amenable number.

3539450689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3539450689 is an equidigital number, since it uses as much as digits as its factorization.

3539450689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The square root of 3539450689 is about 59493.2827216653. The cubic root of 3539450689 is about 1523.9777348848.

The spelling of 3539450689 in words is "three billion, five hundred thirty-nine million, four hundred fifty thousand, six hundred eighty-nine".