6242129646 has 16 divisors (see below), whose sum is σ = 12500760144. Its totient is φ = 2077959744.

The previous prime is 6242129617. The next prime is 6242129653. The reversal of 6242129646 is 6469212426.

It is a junction number, because it is equal to n+sod(n) for n = 6242129598 and 6242129607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682615 + ... + 691698.

It is an arithmetic number, because the mean of its divisors is an integer number (781297509).

Almost surely, 2^6242129646 is an apocalyptic number.

6242129646 is an abundant number, since it is smaller than the sum of its proper divisors (6258630498).

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

6242129646 is a wasteful number, since it uses less digits than its factorization.

6242129646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375075.

The product of its digits is 248832, while the sum is 42.

The square root of 6242129646 is about 79007.1493347279. The cubic root of 6242129646 is about 1841.2422343569.

The spelling of 6242129646 in words is "six billion, two hundred forty-two million, one hundred twenty-nine thousand, six hundred forty-six".