9999930964949 has 4 divisors (see below), whose sum is σ = 10000020380364. Its totient is φ = 9999841549536.

The previous prime is 9999930964937. The next prime is 9999930964951. The reversal of 9999930964949 is 9494690399999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 339533463025 + 9660397501924 = 582695^2 + 3108118^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999930964949 - 2⁸ = 9999930964693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999930964249) 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, 44539742 + ... + 44763695.

It is an arithmetic number, because the mean of its divisors is an integer number (2500005095091).

Almost surely, 2^{9999930964949} is an apocalyptic number.

It is an amenable number.

9999930964949 is a deficient number, since it is larger than the sum of its proper divisors (89415415).

9999930964949 is a wasteful number, since it uses less digits than its factorization.

9999930964949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89415414.

The product of its (nonzero) digits is 12397455648, while the sum is 89.

The spelling of 9999930964949 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred thirty million, nine hundred sixty-four thousand, nine hundred forty-nine".