9997950484205 has 16 divisors (see below), whose sum is σ = 12781212502464. Its totient is φ = 7481685346560.

The previous prime is 9997950484189. The next prime is 9997950484229. The reversal of 9997950484205 is 5024840597999.

It is not a de Polignac number, because 9997950484205 - 2⁴ = 9997950484189 is a prime.

It is a super-2 number, since 2×9997950484205² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360792731 + ... + 360820440.

It is an arithmetic number, because the mean of its divisors is an integer number (798825781404).

Almost surely, 2^{9997950484205} is an apocalyptic number.

It is an amenable number.

9997950484205 is a deficient number, since it is larger than the sum of its proper divisors (2783262018259).

9997950484205 is a wasteful number, since it uses less digits than its factorization.

9997950484205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721613356.

The product of its (nonzero) digits is 293932800, while the sum is 71.

The spelling of 9997950484205 in words is "nine trillion, nine hundred ninety-seven billion, nine hundred fifty million, four hundred eighty-four thousand, two hundred five".