6434500032 has 168 divisors, whose sum is σ = 19535582976. Its totient is φ = 2098960128.

The previous prime is 6434500003. The next prime is 6434500049. The reversal of 6434500032 is 2300054346.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 6434499969 and 6434500005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726543 + ... + 735345.

It is an arithmetic number, because the mean of its divisors is an integer number (116283232).

Almost surely, 2^6434500032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6434500032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9767791488).

6434500032 is an abundant number, since it is smaller than the sum of its proper divisors (13101082944).

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

6434500032 is an equidigital number, since it uses as much as digits as its factorization.

6434500032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8877 (or 8855 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 6434500032 is about 80215.3353916818. The cubic root of 6434500032 is about 1859.9657017609.

Adding to 6434500032 its reverse (2300054346), we get a palindrome (8734554378).

The spelling of 6434500032 in words is "six billion, four hundred thirty-four million, five hundred thousand, thirty-two".