9929741923 has 4 divisors (see below), whose sum is σ = 9930509680. Its totient is φ = 9928974168.

The previous prime is 9929741903. The next prime is 9929741929. The reversal of 9929741923 is 3291479299.

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

It is a cyclic number.

It is not a de Polignac number, because 9929741923 - 2²⁵ = 9896187491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9929741929) 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, 364140 + ... + 390457.

It is an arithmetic number, because the mean of its divisors is an integer number (2482627420).

Almost surely, 2^9929741923 is an apocalyptic number.

9929741923 is a deficient number, since it is larger than the sum of its proper divisors (767757).

9929741923 is a wasteful number, since it uses less digits than its factorization.

9929741923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767756.

The product of its digits is 2204496, while the sum is 55.

The square root of 9929741923 is about 99648.0904132136. The cubic root of 9929741923 is about 2149.3772793982.

The spelling of 9929741923 in words is "nine billion, nine hundred twenty-nine million, seven hundred forty-one thousand, nine hundred twenty-three".