18350742948 has 12 divisors (see below), whose sum is σ = 42818400240. Its totient is φ = 6116914312.

The previous prime is 18350742913. The next prime is 18350743003. The reversal of 18350742948 is 84924705381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 18350742948.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764614278 + ... + 764614301.

It is an arithmetic number, because the mean of its divisors is an integer number (3568200020).

Almost surely, 2^18350742948 is an apocalyptic number.

It is an amenable number.

18350742948 is an abundant number, since it is smaller than the sum of its proper divisors (24467657292).

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

18350742948 is a wasteful number, since it uses less digits than its factorization.

18350742948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529228586 (or 1529228584 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 18350742948 in words is "eighteen billion, three hundred fifty million, seven hundred forty-two thousand, nine hundred forty-eight".