9421457973 has 8 divisors (see below), whose sum is σ = 12563910528. Its totient is φ = 6279988704.

The previous prime is 9421457957. The next prime is 9421457977. The reversal of 9421457973 is 3797541249.

It is a happy number.

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

It is not a de Polignac number, because 9421457973 - 2⁴ = 9421457957 is a prime.

It is a super-4 number, since 4×9421457973⁴ (a number of 41 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9421457977) 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, 223165 + ... + 262002.

It is an arithmetic number, because the mean of its divisors is an integer number (1570488816).

Almost surely, 2^9421457973 is an apocalyptic number.

It is an amenable number.

9421457973 is a deficient number, since it is larger than the sum of its proper divisors (3142452555).

9421457973 is a wasteful number, since it uses less digits than its factorization.

9421457973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491643.

The product of its digits is 1905120, while the sum is 51.

The square root of 9421457973 is about 97064.1951133372. The cubic root of 9421457973 is about 2112.0589631348.

The spelling of 9421457973 in words is "nine billion, four hundred twenty-one million, four hundred fifty-seven thousand, nine hundred seventy-three".