9473378509 has 16 divisors (see below), whose sum is σ = 11129106816. Its totient is φ = 7893633600.

The previous prime is 9473378501. The next prime is 9473378521. The reversal of 9473378509 is 9058733749.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9473378509 - 2³ = 9473378501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9473378509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9473378501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290394 + ... + 321364.

It is an arithmetic number, because the mean of its divisors is an integer number (695569176).

Almost surely, 2^9473378509 is an apocalyptic number.

It is an amenable number.

9473378509 is a deficient number, since it is larger than the sum of its proper divisors (1655728307).

9473378509 is a wasteful number, since it uses less digits than its factorization.

9473378509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32196.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The square root of 9473378509 is about 97331.2822734808. The cubic root of 9473378509 is about 2115.9316265996.

The spelling of 9473378509 in words is "nine billion, four hundred seventy-three million, three hundred seventy-eight thousand, five hundred nine".