9421934723 has 4 divisors (see below), whose sum is σ = 9641049528. Its totient is φ = 9202819920.

The previous prime is 9421934699. The next prime is 9421934737. The reversal of 9421934723 is 3274391249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3274391249 = 367 ⋅8922047.

It is a cyclic number.

It is not a de Polignac number, because 9421934723 - 2¹⁰ = 9421933699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9421934773) 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, 109557338 + ... + 109557423.

It is an arithmetic number, because the mean of its divisors is an integer number (2410262382).

Almost surely, 2^9421934723 is an apocalyptic number.

9421934723 is a deficient number, since it is larger than the sum of its proper divisors (219114805).

9421934723 is a wasteful number, since it uses less digits than its factorization.

9421934723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219114804.

The product of its digits is 326592, while the sum is 44.

The square root of 9421934723 is about 97066.6509312029. The cubic root of 9421934723 is about 2112.0945877388.

The spelling of 9421934723 in words is "nine billion, four hundred twenty-one million, nine hundred thirty-four thousand, seven hundred twenty-three".