3745786909 has 4 divisors (see below), whose sum is σ = 3746101600. Its totient is φ = 3745472220.

The previous prime is 3745786907. The next prime is 3745786921. The reversal of 3745786909 is 9096875473.

3745786909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9096875473 = 7 ⋅1299553639.

It is a cyclic number.

It is not a de Polignac number, because 3745786909 - 2¹ = 3745786907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745786903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138759 + ... + 163540.

It is an arithmetic number, because the mean of its divisors is an integer number (936525400).

Almost surely, 2^3745786909 is an apocalyptic number.

It is an amenable number.

3745786909 is a deficient number, since it is larger than the sum of its proper divisors (314691).

3745786909 is a wasteful number, since it uses less digits than its factorization.

3745786909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314690.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The square root of 3745786909 is about 61202.8341582316. The cubic root of 3745786909 is about 1553.0342103579.

The spelling of 3745786909 in words is "three billion, seven hundred forty-five million, seven hundred eighty-six thousand, nine hundred nine".