6430429400 has 48 divisors (see below), whose sum is σ = 14964060840. Its totient is φ = 2569881600.

The previous prime is 6430429373. The next prime is 6430429403. The reversal of 6430429400 is 49240346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430429403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220472 + ... + 247928.

Almost surely, 2^6430429400 is an apocalyptic number.

It is an amenable number.

6430429400 is an abundant number, since it is smaller than the sum of its proper divisors (8533631440).

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

6430429400 is a wasteful number, since it uses less digits than its factorization.

6430429400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28644 (or 28635 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6430429400 is about 80189.9582242066. The cubic root of 6430429400 is about 1859.5733981364.

Adding to 6430429400 its reverse (49240346), we get a palindrome (6479669746).

The spelling of 6430429400 in words is "six billion, four hundred thirty million, four hundred twenty-nine thousand, four hundred".