3853499709 has 4 divisors (see below), whose sum is σ = 5137999616. Its totient is φ = 2568999804.

The previous prime is 3853499651. The next prime is 3853499711. The reversal of 3853499709 is 9079943583.

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 not a de Polignac number, because 3853499709 - 2⁷ = 3853499581 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 (3853499719) 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, 642249949 + ... + 642249954.

It is an arithmetic number, because the mean of its divisors is an integer number (1284499904).

Almost surely, 2^3853499709 is an apocalyptic number.

It is an amenable number.

3853499709 is a deficient number, since it is larger than the sum of its proper divisors (1284499907).

3853499709 is a wasteful number, since it uses less digits than its factorization.

3853499709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284499906.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The square root of 3853499709 is about 62076.5632827720. The cubic root of 3853499709 is about 1567.7799648997.

The spelling of 3853499709 in words is "three billion, eight hundred fifty-three million, four hundred ninety-nine thousand, seven hundred nine".