7129842430 has 16 divisors (see below), whose sum is σ = 12996169920. Its totient is φ = 2815836192.

The previous prime is 7129842403. The next prime is 7129842439. The reversal of 7129842430 is 342489217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7129842439) by changing a digit.

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, 4511769 + ... + 4513348.

It is an arithmetic number, because the mean of its divisors is an integer number (812260620).

Almost surely, 2^7129842430 is an apocalyptic number.

7129842430 is a deficient number, since it is larger than the sum of its proper divisors (5866327490).

7129842430 is a wasteful number, since it uses less digits than its factorization.

7129842430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025203.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 7129842430 is about 84438.3942883804. The cubic root of 7129842430 is about 1924.6863990182.

The spelling of 7129842430 in words is "seven billion, one hundred twenty-nine million, eight hundred forty-two thousand, four hundred thirty".