3706442489 has 2 divisors, whose sum is σ = 3706442490. Its totient is φ = 3706442488.

The previous prime is 3706442473. The next prime is 3706442503. The reversal of 3706442489 is 9842446073.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3691170025 + 15272464 = 60755^2 + 3908^2 .

It is an emirp because it is prime and its reverse (9842446073) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3706442489 - 2⁴ = 3706442473 is a prime.

It is not a weakly prime, because it can be changed into another prime (3706442449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1853221244 + 1853221245.

It is an arithmetic number, because the mean of its divisors is an integer number (1853221245).

Almost surely, 2^3706442489 is an apocalyptic number.

It is an amenable number.

3706442489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3706442489 is an equidigital number, since it uses as much as digits as its factorization.

3706442489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 3706442489 is about 60880.5592040678. The cubic root of 3706442489 is about 1547.5775533630.

The spelling of 3706442489 in words is "three billion, seven hundred six million, four hundred forty-two thousand, four hundred eighty-nine".