3809136309944 has 24 divisors (see below), whose sum is σ = 8162466246840. Its totient is φ = 1632480730608.

The previous prime is 3809136309919. The next prime is 3809136309949. The reversal of 3809136309944 is 4499036319083.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809136309949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14474789 + ... + 14735595.

It is an arithmetic number, because the mean of its divisors is an integer number (340102760285).

Almost surely, 2^{3809136309944} is an apocalyptic number.

It is an amenable number.

3809136309944 is an abundant number, since it is smaller than the sum of its proper divisors (4353329936896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3809136309944 is an frugal number, since it uses more digits than its factorization.

3809136309944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521627 (or 260816 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 59.

The spelling of 3809136309944 in words is "three trillion, eight hundred nine billion, one hundred thirty-six million, three hundred nine thousand, nine hundred forty-four".