3694937789 has 2 divisors, whose sum is σ = 3694937790. Its totient is φ = 3694937788.

The previous prime is 3694937773. The next prime is 3694937839. The reversal of 3694937789 is 9877394963.

3694937789 is digitally balanced in base 3, 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., 3476045764 + 218892025 = 58958^2 + 14795^2 .

It is an emirp because it is prime and its reverse (9877394963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3694937789 - 2⁴ = 3694937773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3694936789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847468894 + 1847468895.

It is an arithmetic number, because the mean of its divisors is an integer number (1847468895).

Almost surely, 2^3694937789 is an apocalyptic number.

It is an amenable number.

3694937789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3694937789 is an equidigital number, since it uses as much as digits as its factorization.

3694937789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61725888, while the sum is 65.

The square root of 3694937789 is about 60785.9999424210. Note that the first 4 decimals coincide. The cubic root of 3694937789 is about 1545.9746804516.

The spelling of 3694937789 in words is "three billion, six hundred ninety-four million, nine hundred thirty-seven thousand, seven hundred eighty-nine".