9919473059 has 4 divisors (see below), whose sum is σ = 9920052504. Its totient is φ = 9918893616.

The previous prime is 9919473043. The next prime is 9919473061. The reversal of 9919473059 is 9503749199.

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

It is a cyclic number.

It is not a de Polignac number, because 9919473059 - 2⁴ = 9919473043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9919472995 and 9919473013.

It is not an unprimeable number, because it can be changed into a prime (9919473019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 263237 + ... + 298550.

It is an arithmetic number, because the mean of its divisors is an integer number (2480013126).

Almost surely, 2^9919473059 is an apocalyptic number.

9919473059 is a deficient number, since it is larger than the sum of its proper divisors (579445).

9919473059 is a wasteful number, since it uses less digits than its factorization.

9919473059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579444.

The product of its (nonzero) digits is 2755620, while the sum is 56.

The square root of 9919473059 is about 99596.5514413024. The cubic root of 9919473059 is about 2148.6360961261.

The spelling of 9919473059 in words is "nine billion, nine hundred nineteen million, four hundred seventy-three thousand, fifty-nine".