9919661795 has 8 divisors (see below), whose sum is σ = 11970095760. Its totient is φ = 7891395040.

The previous prime is 9919661767. The next prime is 9919661813. The reversal of 9919661795 is 5971669199.

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

It is not a de Polignac number, because 9919661795 - 2¹⁶ = 9919596259 is a prime.

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, 5540816 + ... + 5542605.

It is an arithmetic number, because the mean of its divisors is an integer number (1496261970).

Almost surely, 2^9919661795 is an apocalyptic number.

9919661795 is a deficient number, since it is larger than the sum of its proper divisors (2050433965).

9919661795 is a wasteful number, since it uses less digits than its factorization.

9919661795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083605.

The product of its digits is 8266860, while the sum is 62.

The square root of 9919661795 is about 99597.4989394814. The cubic root of 9919661795 is about 2148.6497232751.

The spelling of 9919661795 in words is "nine billion, nine hundred nineteen million, six hundred sixty-one thousand, seven hundred ninety-five".