7129096813 has 8 divisors (see below), whose sum is σ = 7440846336. Its totient is φ = 6817496400.

The previous prime is 7129096787. The next prime is 7129096831. The reversal of 7129096813 is 3186909217.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7129096813 - 2⁹ = 7129096301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7129096213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66628 + ... + 136738.

It is an arithmetic number, because the mean of its divisors is an integer number (930105792).

Almost surely, 2^7129096813 is an apocalyptic number.

It is an amenable number.

7129096813 is a deficient number, since it is larger than the sum of its proper divisors (311749523).

7129096813 is a wasteful number, since it uses less digits than its factorization.

7129096813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74555.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 7129096813 is about 84433.9790191129. The cubic root of 7129096813 is about 1924.6193040839.

The spelling of 7129096813 in words is "seven billion, one hundred twenty-nine million, ninety-six thousand, eight hundred thirteen".