9261389042 has 8 divisors (see below), whose sum is σ = 13894557996. Its totient is φ = 4629869712.

The previous prime is 9261388999. The next prime is 9261389077. The reversal of 9261389042 is 2409831629.

It can be written as a sum of positive squares in 2 ways, for example, as 8610169681 + 651219361 = 92791^2 + 25519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9261388984 and 9261389002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398273 + ... + 420884.

Almost surely, 2^9261389042 is an apocalyptic number.

9261389042 is a deficient number, since it is larger than the sum of its proper divisors (4633168954).

9261389042 is a wasteful number, since it uses less digits than its factorization.

9261389042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824812.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 9261389042 is about 96236.1109043793. The cubic root of 9261389042 is about 2100.0294056351.

The spelling of 9261389042 in words is "nine billion, two hundred sixty-one million, three hundred eighty-nine thousand, forty-two".