9129197734 has 4 divisors (see below), whose sum is σ = 13693796604. Its totient is φ = 4564598866.

The previous prime is 9129197723. The next prime is 9129197741. The reversal of 9129197734 is 4377919219.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2282299432 + ... + 2282299435.

It is an arithmetic number, because the mean of its divisors is an integer number (3423449151).

Almost surely, 2^9129197734 is an apocalyptic number.

9129197734 is a deficient number, since it is larger than the sum of its proper divisors (4564598870).

9129197734 is a wasteful number, since it uses less digits than its factorization.

9129197734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564598869.

The product of its digits is 857304, while the sum is 52.

The square root of 9129197734 is about 95546.8352903433. The cubic root of 9129197734 is about 2089.9899829347.

The spelling of 9129197734 in words is "nine billion, one hundred twenty-nine million, one hundred ninety-seven thousand, seven hundred thirty-four".