9374709921 has 8 divisors (see below), whose sum is σ = 12542275200. Its totient is φ = 6228475632.

The previous prime is 9374709913. The next prime is 9374709923. The reversal of 9374709921 is 1299074739.

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

It is not a de Polignac number, because 9374709921 - 2³ = 9374709913 is a prime.

It is a super-2 number, since 2×9374709921² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9374709923) 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, 5331721 + ... + 5333478.

It is an arithmetic number, because the mean of its divisors is an integer number (1567784400).

Almost surely, 2^9374709921 is an apocalyptic number.

It is an amenable number.

9374709921 is a deficient number, since it is larger than the sum of its proper divisors (3167565279).

9374709921 is a wasteful number, since it uses less digits than its factorization.

9374709921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665495.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 9374709921 is about 96823.0856820831. The cubic root of 9374709921 is about 2108.5599152875.

The spelling of 9374709921 in words is "nine billion, three hundred seventy-four million, seven hundred nine thousand, nine hundred twenty-one".