3443473656 has 192 divisors, whose sum is σ = 10886915520. Its totient is φ = 962979840.

The previous prime is 3443473637. The next prime is 3443473661. The reversal of 3443473656 is 6563743443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6364746 + ... + 6365286.

It is an arithmetic number, because the mean of its divisors is an integer number (56702685).

Almost surely, 2^3443473656 is an apocalyptic number.

3443473656 is a gapful number since it is divisible by the number (36) 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 3443473656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5443457760).

3443473656 is an abundant number, since it is smaller than the sum of its proper divisors (7443441864).

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

3443473656 is a wasteful number, since it uses less digits than its factorization.

3443473656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 799 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 45.

The square root of 3443473656 is about 58681.1183942501. The cubic root of 3443473656 is about 1510.0764044786.

The spelling of 3443473656 in words is "three billion, four hundred forty-three million, four hundred seventy-three thousand, six hundred fifty-six".