7643033364 has 12 divisors (see below), whose sum is σ = 17833744544. Its totient is φ = 2547677784.

The previous prime is 7643033339. The next prime is 7643033399. The reversal of 7643033364 is 4633303467.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318459712 + ... + 318459735.

Almost surely, 2^7643033364 is an apocalyptic number.

It is an amenable number.

7643033364 is an abundant number, since it is smaller than the sum of its proper divisors (10190711180).

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

7643033364 is a wasteful number, since it uses less digits than its factorization.

7643033364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636919454 (or 636919452 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 39.

The square root of 7643033364 is about 87424.4437442984. The cubic root of 7643033364 is about 1969.7990264544.

The spelling of 7643033364 in words is "seven billion, six hundred forty-three million, thirty-three thousand, three hundred sixty-four".