6485329428 has 24 divisors (see below), whose sum is σ = 15345570240. Its totient is φ = 2131328640.

The previous prime is 6485329381. The next prime is 6485329441. The reversal of 6485329428 is 8249235846.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3805093 + ... + 3806796.

It is an arithmetic number, because the mean of its divisors is an integer number (639398760).

Almost surely, 2^6485329428 is an apocalyptic number.

It is an amenable number.

6485329428 is an abundant number, since it is smaller than the sum of its proper divisors (8860240812).

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

6485329428 is a wasteful number, since it uses less digits than its factorization.

6485329428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611967 (or 7611965 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 6485329428 is about 80531.5430623306. The cubic root of 6485329428 is about 1864.8504675900.

The spelling of 6485329428 in words is "six billion, four hundred eighty-five million, three hundred twenty-nine thousand, four hundred twenty-eight".