7643433456 has 50 divisors (see below), whose sum is σ = 22122317712. Its totient is φ = 2547810720.

The previous prime is 7643433409. The next prime is 7643433463. The reversal of 7643433456 is 6543343467.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 2947560 + ... + 2950151.

Almost surely, 2^7643433456 is an apocalyptic number.

It is an amenable number.

7643433456 is an abundant number, since it is smaller than the sum of its proper divisors (14478884256).

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

7643433456 is a wasteful number, since it uses less digits than its factorization.

7643433456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897731 (or 5897716 counting only the distinct ones).

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

The square root of 7643433456 is about 87426.7319302283. The cubic root of 7643433456 is about 1969.8333970611.

The spelling of 7643433456 in words is "seven billion, six hundred forty-three million, four hundred thirty-three thousand, four hundred fifty-six".