6430509942 has 32 divisors (see below), whose sum is σ = 13235104512. Its totient is φ = 2081388384.

The previous prime is 6430509941. The next prime is 6430509971. The reversal of 6430509942 is 2499050346.

It is a super-2 number, since 2×6430509942² = 82702916228321686728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6430509894 and 6430509903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430509941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82873 + ... + 140459.

It is an arithmetic number, because the mean of its divisors is an integer number (413597016).

Almost surely, 2^6430509942 is an apocalyptic number.

6430509942 is an abundant number, since it is smaller than the sum of its proper divisors (6804594570).

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

6430509942 is a wasteful number, since it uses less digits than its factorization.

6430509942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58132.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 6430509942 is about 80190.4604176831. The cubic root of 6430509942 is about 1859.5811619070.

The spelling of 6430509942 in words is "six billion, four hundred thirty million, five hundred nine thousand, nine hundred forty-two".