6423710388 has 48 divisors (see below), whose sum is σ = 15671771136. Its totient is φ = 2044023520.

The previous prime is 6423710357. The next prime is 6423710413. The reversal of 6423710388 is 8830173246.

It is a super-2 number, since 2×6423710388² = 82528110297798221088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115693 + ... + 161963.

It is an arithmetic number, because the mean of its divisors is an integer number (326495232).

Almost surely, 2^6423710388 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 6423710388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7835885568).

6423710388 is an abundant number, since it is smaller than the sum of its proper divisors (9248060748).

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

6423710388 is a wasteful number, since it uses less digits than its factorization.

6423710388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46804 (or 46802 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 6423710388 is about 80148.0529270674. The cubic root of 6423710388 is about 1858.9254968602.

The spelling of 6423710388 in words is "six billion, four hundred twenty-three million, seven hundred ten thousand, three hundred eighty-eight".