18909328962 has 16 divisors (see below), whose sum is σ = 37821774240. Its totient is φ = 6302590272.

The previous prime is 18909328957. The next prime is 18909328969. The reversal of 18909328962 is 26982390981.

It is not an unprimeable number, because it can be changed into a prime (18909328969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46887 + ... + 200042.

It is an arithmetic number, because the mean of its divisors is an integer number (2363860890).

Almost surely, 2^18909328962 is an apocalyptic number.

18909328962 is an abundant number, since it is smaller than the sum of its proper divisors (18912445278).

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

18909328962 is a wasteful number, since it uses less digits than its factorization.

18909328962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259697.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 18909328962 in words is "eighteen billion, nine hundred nine million, three hundred twenty-eight thousand, nine hundred sixty-two".