9919472995 has 8 divisors (see below), whose sum is σ = 11929191120. Its totient is φ = 7918362720.

The previous prime is 9919472963. The next prime is 9919473001. The reversal of 9919472995 is 5992749199.

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

It is not a de Polignac number, because 9919472995 - 2⁵ = 9919472963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149425 + ... + 2154034.

It is an arithmetic number, because the mean of its divisors is an integer number (1491148890).

Almost surely, 2^9919472995 is an apocalyptic number.

9919472995 is a deficient number, since it is larger than the sum of its proper divisors (2009718125).

9919472995 is a wasteful number, since it uses less digits than its factorization.

9919472995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303925.

The product of its digits is 16533720, while the sum is 64.

The square root of 9919472995 is about 99596.5511200062. The cubic root of 9919472995 is about 2148.6360915052.

The spelling of 9919472995 in words is "nine billion, nine hundred nineteen million, four hundred seventy-two thousand, nine hundred ninety-five".