6435820752 has 40 divisors (see below), whose sum is σ = 17500918560. Its totient is φ = 2032364160.

The previous prime is 6435820723. The next prime is 6435820757. The reversal of 6435820752 is 2570285346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6435820757) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3527499 + ... + 3529322.

It is an arithmetic number, because the mean of its divisors is an integer number (437522964).

Almost surely, 2^6435820752 is an apocalyptic number.

It is an amenable number.

6435820752 is an abundant number, since it is smaller than the sum of its proper divisors (11065097808).

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

6435820752 is a wasteful number, since it uses less digits than its factorization.

6435820752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056851 (or 7056845 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 6435820752 is about 80223.5673103609. The cubic root of 6435820752 is about 1860.0929494537.

The spelling of 6435820752 in words is "six billion, four hundred thirty-five million, eight hundred twenty thousand, seven hundred fifty-two".