3668353538 has 16 divisors (see below), whose sum is σ = 5527725120. Its totient is φ = 1825790736.

The previous prime is 3668353531. The next prime is 3668353543. The reversal of 3668353538 is 8353538663.

It is not an unprimeable number, because it can be changed into a prime (3668353531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862445 + ... + 866687.

It is an arithmetic number, because the mean of its divisors is an integer number (345482820).

Almost surely, 2^3668353538 is an apocalyptic number.

3668353538 is a deficient number, since it is larger than the sum of its proper divisors (1859371582).

3668353538 is a wasteful number, since it uses less digits than its factorization.

3668353538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121.

The product of its digits is 4665600, while the sum is 50.

The square root of 3668353538 is about 60566.9343619107. The cubic root of 3668353538 is about 1542.2581054870.

The spelling of 3668353538 in words is "three billion, six hundred sixty-eight million, three hundred fifty-three thousand, five hundred thirty-eight".