3718725889 has 2 divisors, whose sum is σ = 3718725890. Its totient is φ = 3718725888.

The previous prime is 3718725887. The next prime is 3718725937. The reversal of 3718725889 is 9885278173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3576996864 + 141729025 = 59808^2 + 11905^2 .

It is an emirp because it is prime and its reverse (9885278173) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3718725889 - 2¹ = 3718725887 is a prime.

Together with 3718725887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3718725887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1859362944 + 1859362945.

It is an arithmetic number, because the mean of its divisors is an integer number (1859362945).

Almost surely, 2^3718725889 is an apocalyptic number.

It is an amenable number.

3718725889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3718725889 is an equidigital number, since it uses as much as digits as its factorization.

3718725889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 58.

The square root of 3718725889 is about 60981.3568970058. The cubic root of 3718725889 is about 1549.2852603399.

The spelling of 3718725889 in words is "three billion, seven hundred eighteen million, seven hundred twenty-five thousand, eight hundred eighty-nine".