3689238543 has 4 divisors (see below), whose sum is σ = 4918984728. Its totient is φ = 2459492360.

The previous prime is 3689238541. The next prime is 3689238557. The reversal of 3689238543 is 3458329863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3458329863 = 3 ⋅1152776621.

It is a cyclic number.

It is not a de Polignac number, because 3689238543 - 2¹ = 3689238541 is a prime.

It is a super-2 number, since 2×3689238543² = 27220962054313525698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689238541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614873088 + ... + 614873093.

It is an arithmetic number, because the mean of its divisors is an integer number (1229746182).

Almost surely, 2^3689238543 is an apocalyptic number.

3689238543 is a deficient number, since it is larger than the sum of its proper divisors (1229746185).

3689238543 is a wasteful number, since it uses less digits than its factorization.

3689238543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229746184.

The product of its digits is 3732480, while the sum is 51.

The square root of 3689238543 is about 60739.1022571128. The cubic root of 3689238543 is about 1545.1794100471.

The spelling of 3689238543 in words is "three billion, six hundred eighty-nine million, two hundred thirty-eight thousand, five hundred forty-three".