3809990613 has 32 divisors (see below), whose sum is σ = 6160637952. Its totient is φ = 2062699200.

The previous prime is 3809990609. The next prime is 3809990627. The reversal of 3809990613 is 3160999083.

It is a happy number.

It is not a de Polignac number, because 3809990613 - 2² = 3809990609 is a prime.

It is a super-2 number, since 2×3809990613² = 29032056942296231538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809990663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129945 + ... + 156542.

It is an arithmetic number, because the mean of its divisors is an integer number (192519936).

Almost surely, 2^3809990613 is an apocalyptic number.

3809990613 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3809990613 is a deficient number, since it is larger than the sum of its proper divisors (2350647339).

3809990613 is a wasteful number, since it uses less digits than its factorization.

3809990613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286545.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 3809990613 is about 61725.1214093581. The cubic root of 3809990613 is about 1561.8571205564.

The spelling of 3809990613 in words is "three billion, eight hundred nine million, nine hundred ninety thousand, six hundred thirteen".