9999945005 has 8 divisors (see below), whose sum is σ = 12631509600. Its totient is φ = 7578905616.

The previous prime is 9999944953. The next prime is 9999945017. The reversal of 9999945005 is 5005499999.

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

It is a cyclic number.

It is not a de Polignac number, because 9999945005 - 2¹⁴ = 9999928621 is a prime.

It is a congruent number.

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, 52631195 + ... + 52631384.

It is an arithmetic number, because the mean of its divisors is an integer number (1578938700).

Almost surely, 2^9999945005 is an apocalyptic number.

9999945005 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9999945005 is a deficient number, since it is larger than the sum of its proper divisors (2631564595).

9999945005 is a wasteful number, since it uses less digits than its factorization.

9999945005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105262603.

The product of its (nonzero) digits is 5904900, while the sum is 59.

The square root of 9999945005 is about 99999.7250246219. The cubic root of 9999945005 is about 2154.4307405868.

The spelling of 9999945005 in words is "nine billion, nine hundred ninety-nine million, nine hundred forty-five thousand, five".