3537208512 has 84 divisors (see below), whose sum is σ = 10173858240. Its totient is φ = 1174989312.

The previous prime is 3537208487. The next prime is 3537208529. The reversal of 3537208512 is 2158027353.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 158289 + ... + 179247.

It is an arithmetic number, because the mean of its divisors is an integer number (121117360).

Almost surely, 2^3537208512 is an apocalyptic number.

3537208512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3537208512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5086929120).

3537208512 is an abundant number, since it is smaller than the sum of its proper divisors (6636649728).

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

3537208512 is a wasteful number, since it uses less digits than its factorization.

3537208512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21270 (or 21257 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 3537208512 is about 59474.4357854700. The cubic root of 3537208512 is about 1523.6558629409.

The spelling of 3537208512 in words is "three billion, five hundred thirty-seven million, two hundred eight thousand, five hundred twelve".