3534021612 has 144 divisors (see below), whose sum is σ = 9924314400. Its totient is φ = 1051438080.

The previous prime is 3534021611. The next prime is 3534021643. The reversal of 3534021612 is 2161204353.

3534021612 is a `hidden beast` number, since 3 + 5 + 3 + 40 + 2 + 1 + 612 = 666.

It is not an unprimeable number, because it can be changed into a prime (3534021611) 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 47 ways as a sum of consecutive naturals, for example, 6942814 + ... + 6943322.

It is an arithmetic number, because the mean of its divisors is an integer number (68918850).

Almost surely, 2^3534021612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3534021612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4962157200).

3534021612 is an abundant number, since it is smaller than the sum of its proper divisors (6390292788).

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

3534021612 is a wasteful number, since it uses less digits than its factorization.

3534021612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3534021612 is about 59447.6375644987. The cubic root of 3534021612 is about 1523.1981387339.

Adding to 3534021612 its reverse (2161204353), we get a palindrome (5695225965).

The spelling of 3534021612 in words is "three billion, five hundred thirty-four million, twenty-one thousand, six hundred twelve".