4134938909 has 4 divisors (see below), whose sum is σ = 4138103904. Its totient is φ = 4131773916.

The previous prime is 4134938893. The next prime is 4134938911. The reversal of 4134938909 is 9098394314.

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.

It is a cyclic number.

It is not a de Polignac number, because 4134938909 - 2⁴ = 4134938893 is a prime.

It is a super-2 number, since 2×4134938909² = 34195439562324220562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4134938809) 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, 1580537 + ... + 1583150.

It is an arithmetic number, because the mean of its divisors is an integer number (1034525976).

Almost surely, 2^4134938909 is an apocalyptic number.

It is an amenable number.

4134938909 is a deficient number, since it is larger than the sum of its proper divisors (3164995).

4134938909 is a wasteful number, since it uses less digits than its factorization.

4134938909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164994.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 4134938909 is about 64303.4906439767. The cubic root of 4134938909 is about 1605.0541881208.

The spelling of 4134938909 in words is "four billion, one hundred thirty-four million, nine hundred thirty-eight thousand, nine hundred nine".