3551897900 has 72 divisors (see below), whose sum is σ = 7802167296. Its totient is φ = 1403438400.

The previous prime is 3551897893. The next prime is 3551897903. The reversal of 3551897900 is 97981553.

It is not an unprimeable number, because it can be changed into a prime (3551897903) 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 23 ways as a sum of consecutive naturals, for example, 3898445 + ... + 3899355.

Almost surely, 2^3551897900 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 3551897900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3901083648).

3551897900 is an abundant number, since it is smaller than the sum of its proper divisors (4250269396).

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

3551897900 is a wasteful number, since it uses less digits than its factorization.

3551897900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 3551897900 is about 59597.8011339345. The cubic root of 3551897900 is about 1525.7621058673.

The spelling of 3551897900 in words is "three billion, five hundred fifty-one million, eight hundred ninety-seven thousand, nine hundred".