3809253805 has 16 divisors (see below), whose sum is σ = 5392641024. Its totient is φ = 2527799040.

The previous prime is 3809253793. The next prime is 3809253829. The reversal of 3809253805 is 5083529083.

3809253805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3809253805 - 2²¹ = 3807156653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1754332 + ... + 1756501.

It is an arithmetic number, because the mean of its divisors is an integer number (337040064).

Almost surely, 2^3809253805 is an apocalyptic number.

3809253805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3809253805 is a deficient number, since it is larger than the sum of its proper divisors (1583387219).

3809253805 is a wasteful number, since it uses less digits than its factorization.

3809253805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510876.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 3809253805 is about 61719.1526594460. The cubic root of 3809253805 is about 1561.7564323807.

The spelling of 3809253805 in words is "three billion, eight hundred nine million, two hundred fifty-three thousand, eight hundred five".