9420323690 has 64 divisors (see below), whose sum is σ = 18189792000. Its totient is φ = 3502185984.

The previous prime is 9420323687. The next prime is 9420323723. The reversal of 9420323690 is 963230249.

It is a super-2 number, since 2×9420323690² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2758424 + ... + 2761836.

It is an arithmetic number, because the mean of its divisors is an integer number (284215500).

Almost surely, 2^9420323690 is an apocalyptic number.

9420323690 is a deficient number, since it is larger than the sum of its proper divisors (8769468310).

9420323690 is a wasteful number, since it uses less digits than its factorization.

9420323690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 9420323690 is about 97058.3519847725. The cubic root of 9420323690 is about 2111.9742002906.

The spelling of 9420323690 in words is "nine billion, four hundred twenty million, three hundred twenty-three thousand, six hundred ninety".