6429025820 has 48 divisors (see below), whose sum is σ = 16241756160. Its totient is φ = 2088224064.

The previous prime is 6429025819. The next prime is 6429025871. The reversal of 6429025820 is 285209246.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205804 + ... + 1211123.

It is an arithmetic number, because the mean of its divisors is an integer number (338369920).

Almost surely, 2^6429025820 is an apocalyptic number.

It is an amenable number.

6429025820 is an abundant number, since it is smaller than the sum of its proper divisors (9812730340).

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

6429025820 is a wasteful number, since it uses less digits than its factorization.

6429025820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416962 (or 2416960 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 6429025820 is about 80181.2061520653. The cubic root of 6429025820 is about 1859.4380909487.

The spelling of 6429025820 in words is "six billion, four hundred twenty-nine million, twenty-five thousand, eight hundred twenty".