3531961344 has 88 divisors (see below), whose sum is σ = 9967874688. Its totient is φ = 1108049920.

The previous prime is 3531961339. The next prime is 3531961399. The reversal of 3531961344 is 4431691353.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18409 + ... + 86039.

Almost surely, 2^3531961344 is an apocalyptic number.

3531961344 is a gapful number since it is divisible by the number (34) 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 3531961344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4983937344).

3531961344 is an abundant number, since it is smaller than the sum of its proper divisors (6435913344).

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

3531961344 is a wasteful number, since it uses less digits than its factorization.

3531961344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67671 (or 67653 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 3531961344 is about 59430.3066120309. The cubic root of 3531961344 is about 1522.9020825915.

The spelling of 3531961344 in words is "three billion, five hundred thirty-one million, nine hundred sixty-one thousand, three hundred forty-four".