9478073919 has 4 divisors (see below), whose sum is σ = 12637431896. Its totient is φ = 6318715944.

The previous prime is 9478073911. The next prime is 9478073953. The reversal of 9478073919 is 9193708749.

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

It is not a de Polignac number, because 9478073919 - 2³ = 9478073911 is a prime.

It is a super-2 number, since 2×9478073919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9478073911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579678984 + ... + 1579678989.

It is an arithmetic number, because the mean of its divisors is an integer number (3159357974).

Almost surely, 2^9478073919 is an apocalyptic number.

9478073919 is a deficient number, since it is larger than the sum of its proper divisors (3159357977).

9478073919 is a wasteful number, since it uses less digits than its factorization.

9478073919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159357976.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The square root of 9478073919 is about 97355.4000505365. The cubic root of 9478073919 is about 2116.2811508139.

The spelling of 9478073919 in words is "nine billion, four hundred seventy-eight million, seventy-three thousand, nine hundred nineteen".