9409385394 has 24 divisors (see below), whose sum is σ = 20388792060. Its totient is φ = 3136186368.

The previous prime is 9409385393. The next prime is 9409385411. The reversal of 9409385394 is 4935839049.

9409385394 is a `hidden beast` number, since 94 + 0 + 93 + 85 + 394 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8584949025 + 824436369 = 92655^2 + 28713^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9409385394.

It is not an unprimeable number, because it can be changed into a prime (9409385393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364234 + ... + 389210.

Almost surely, 2^9409385394 is an apocalyptic number.

9409385394 is an abundant number, since it is smaller than the sum of its proper divisors (10979406666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9409385394 is a wasteful number, since it uses less digits than its factorization.

9409385394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45914 (or 45911 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The square root of 9409385394 is about 97001.9865466682. The cubic root of 9409385394 is about 2111.1564525222.

The spelling of 9409385394 in words is "nine billion, four hundred nine million, three hundred eighty-five thousand, three hundred ninety-four".