3451989312 has 280 divisors, whose sum is σ = 10909340640. Its totient is φ = 1076198400.

The previous prime is 3451989311. The next prime is 3451989323. The reversal of 3451989312 is 2139891543.

It is a happy number.

3451989312 is a `hidden beast` number, since 34 + 519 + 8 + 93 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3451989311) 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 39 ways as a sum of consecutive naturals, for example, 9947923 + ... + 9948269.

Almost surely, 2^3451989312 is an apocalyptic number.

3451989312 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 3451989312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5454670320).

3451989312 is an abundant number, since it is smaller than the sum of its proper divisors (7457351328).

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

3451989312 is a wasteful number, since it uses less digits than its factorization.

3451989312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 472 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 3451989312 is about 58753.6323302653. The cubic root of 3451989312 is about 1511.3201781350.

The spelling of 3451989312 in words is "three billion, four hundred fifty-one million, nine hundred eighty-nine thousand, three hundred twelve".