3689763839 has 4 divisors (see below), whose sum is σ = 3789487224. Its totient is φ = 3590040456.

The previous prime is 3689763829. The next prime is 3689763841. The reversal of 3689763839 is 9383679863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9383679863 = 23 ⋅407986081.

It is a cyclic number.

It is not a de Polignac number, because 3689763839 - 2¹⁶ = 3689698303 is a prime.

It is a super-2 number, since 2×3689763839² = 27228714375184035842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689763829) 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, 49861637 + ... + 49861710.

It is an arithmetic number, because the mean of its divisors is an integer number (947371806).

Almost surely, 2^3689763839 is an apocalyptic number.

3689763839 is a deficient number, since it is larger than the sum of its proper divisors (99723385).

3689763839 is an equidigital number, since it uses as much as digits as its factorization.

3689763839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99723384.

The product of its digits is 35271936, while the sum is 62.

The square root of 3689763839 is about 60743.4263027696. The cubic root of 3689763839 is about 1545.2527438831.

The spelling of 3689763839 in words is "three billion, six hundred eighty-nine million, seven hundred sixty-three thousand, eight hundred thirty-nine".