9939554446690 has 16 divisors (see below), whose sum is σ = 19517670550080. Its totient is φ = 3614383435120.

The previous prime is 9939554446597. The next prime is 9939554446721. The reversal of 9939554446690 is 966444559399.

It is a super-2 number, since 2×9939554446690² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45179792830 + ... + 45179793049.

It is an arithmetic number, because the mean of its divisors is an integer number (1219854409380).

Almost surely, 2^{9939554446690} is an apocalyptic number.

9939554446690 is a deficient number, since it is larger than the sum of its proper divisors (9578116103390).

9939554446690 is a wasteful number, since it uses less digits than its factorization.

9939554446690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90359585897.

The product of its (nonzero) digits is 1133740800, while the sum is 73.

The spelling of 9939554446690 in words is "nine trillion, nine hundred thirty-nine billion, five hundred fifty-four million, four hundred forty-six thousand, six hundred ninety".