3731849789 has 2 divisors, whose sum is σ = 3731849790. Its totient is φ = 3731849788.

The previous prime is 3731849767. The next prime is 3731849791. The reversal of 3731849789 is 9879481373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3715512025 + 16337764 = 60955^2 + 4042^2 .

It is a cyclic number.

It is not a de Polignac number, because 3731849789 - 2¹² = 3731845693 is a prime.

Together with 3731849791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3731849749) 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, 1865924894 + 1865924895.

It is an arithmetic number, because the mean of its divisors is an integer number (1865924895).

Almost surely, 2^3731849789 is an apocalyptic number.

It is an amenable number.

3731849789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3731849789 is an equidigital number, since it uses as much as digits as its factorization.

3731849789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 59.

The square root of 3731849789 is about 61088.8679629931. The cubic root of 3731849789 is about 1551.1056681254.

The spelling of 3731849789 in words is "three billion, seven hundred thirty-one million, eight hundred forty-nine thousand, seven hundred eighty-nine".