3539239997 has 2 divisors, whose sum is σ = 3539239998. Its totient is φ = 3539239996.

The previous prime is 3539239987. The next prime is 3539240009. The reversal of 3539239997 is 7999329353.

3539239997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2812074841 + 727165156 = 53029^2 + 26966^2 .

It is an emirp because it is prime and its reverse (7999329353) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3539239997 - 2⁶ = 3539239933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3539239987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769619998 + 1769619999.

It is an arithmetic number, because the mean of its divisors is an integer number (1769619999).

Almost surely, 2^3539239997 is an apocalyptic number.

It is an amenable number.

3539239997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3539239997 is an equidigital number, since it uses as much as digits as its factorization.

3539239997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12400290, while the sum is 59.

The square root of 3539239997 is about 59491.5119743985. The cubic root of 3539239997 is about 1523.9474951370.

The spelling of 3539239997 in words is "three billion, five hundred thirty-nine million, two hundred thirty-nine thousand, nine hundred ninety-seven".