3643836479 has 16 divisors (see below), whose sum is σ = 3909995712. Its totient is φ = 3386896128.

The previous prime is 3643836431. The next prime is 3643836481. The reversal of 3643836479 is 9746383463.

It is a cyclic number.

It is not a de Polignac number, because 3643836479 - 2¹⁶ = 3643770943 is a prime.

It is a super-2 number, since 2×3643836479² = 26555088571382234882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3643836479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643836409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808757 + ... + 813249.

It is an arithmetic number, because the mean of its divisors is an integer number (244374732).

Almost surely, 2^3643836479 is an apocalyptic number.

3643836479 is a deficient number, since it is larger than the sum of its proper divisors (266159233).

3643836479 is a wasteful number, since it uses less digits than its factorization.

3643836479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506.

The product of its digits is 7838208, while the sum is 53.

The square root of 3643836479 is about 60364.1986528439. The cubic root of 3643836479 is about 1538.8145820781.

The spelling of 3643836479 in words is "three billion, six hundred forty-three million, eight hundred thirty-six thousand, four hundred seventy-nine".