3538699648 has 32 divisors (see below), whose sum is σ = 7690642920. Its totient is φ = 1608499200.

The previous prime is 3538699643. The next prime is 3538699657. The reversal of 3538699648 is 8469968353.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3538699643) 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 3 ways as a sum of consecutive naturals, for example, 1255233 + ... + 1258048.

Almost surely, 2^3538699648 is an apocalyptic number.

It is an amenable number.

3538699648 is an abundant number, since it is smaller than the sum of its proper divisors (4151943272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3538699648 is a wasteful number, since it uses less digits than its factorization.

3538699648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513306 (or 2513294 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 61.

The square root of 3538699648 is about 59486.9704052913. The cubic root of 3538699648 is about 1523.8699356029.

It can be divided in two parts, 35 and 38699648, that added together give a palindrome (38699683).

The spelling of 3538699648 in words is "three billion, five hundred thirty-eight million, six hundred ninety-nine thousand, six hundred forty-eight".