7129429743 has 4 divisors (see below), whose sum is σ = 9505906328. Its totient is φ = 4752953160.

The previous prime is 7129429739. The next prime is 7129429759. The reversal of 7129429743 is 3479249217.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7129429743 - 2² = 7129429739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7129429692 and 7129429701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7129429343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188238288 + ... + 1188238293.

It is an arithmetic number, because the mean of its divisors is an integer number (2376476582).

Almost surely, 2^7129429743 is an apocalyptic number.

7129429743 is a deficient number, since it is larger than the sum of its proper divisors (2376476585).

7129429743 is a wasteful number, since it uses less digits than its factorization.

7129429743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376476584.

The product of its digits is 762048, while the sum is 48.

The square root of 7129429743 is about 84435.9505364865. The cubic root of 7129429743 is about 1924.6492636308.

The spelling of 7129429743 in words is "seven billion, one hundred twenty-nine million, four hundred twenty-nine thousand, seven hundred forty-three".