9019561342 has 8 divisors (see below), whose sum is σ = 14759282232. Its totient is φ = 4099800600.

The previous prime is 9019561333. The next prime is 9019561357. The reversal of 9019561342 is 2431659109.

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 = 9019561295 and 9019561304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204990009 + ... + 204990052.

It is an arithmetic number, because the mean of its divisors is an integer number (1844910279).

Almost surely, 2^9019561342 is an apocalyptic number.

9019561342 is a deficient number, since it is larger than the sum of its proper divisors (5739720890).

9019561342 is a wasteful number, since it uses less digits than its factorization.

9019561342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409980074.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 9019561342 is about 94971.3711704743. The cubic root of 9019561342 is about 2081.5897411069.

The spelling of 9019561342 in words is "nine billion, nineteen million, five hundred sixty-one thousand, three hundred forty-two".