9042169385 has 16 divisors (see below), whose sum is σ = 11032670352. Its totient is φ = 7112448000.

The previous prime is 9042169351. The next prime is 9042169399. The reversal of 9042169385 is 5839612409.

It can be written as a sum of positive squares in 8 ways, for example, as 618417424 + 8423751961 = 24868^2 + 91781^2 .

It is not a de Polignac number, because 9042169385 - 2¹⁸ = 9041907241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277777 + ... + 1284833.

It is an arithmetic number, because the mean of its divisors is an integer number (689541897).

Almost surely, 2^9042169385 is an apocalyptic number.

It is an amenable number.

9042169385 is a deficient number, since it is larger than the sum of its proper divisors (1990500967).

9042169385 is a wasteful number, since it uses less digits than its factorization.

9042169385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11324.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 9042169385 is about 95090.3222467986. The cubic root of 9042169385 is about 2083.3274976405.

The spelling of 9042169385 in words is "nine billion, forty-two million, one hundred sixty-nine thousand, three hundred eighty-five".