201298326784 has 18 divisors (see below), whose sum is σ = 401810332490. Its totient is φ = 100649163264.

The previous prime is 201298326769. The next prime is 201298326809. The reversal of 201298326784 is 487623892102.

201298326784 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 178989917184 + 22308409600 = 423072^2 + 149360^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393160539 + ... + 393161050.

Almost surely, 2^201298326784 is an apocalyptic number.

It is an amenable number.

201298326784 is a deficient number, since it is larger than the sum of its proper divisors (200512005706).

201298326784 is an frugal number, since it uses more digits than its factorization.

201298326784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786321605 (or 786321591 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 201298326784 in words is "two hundred one billion, two hundred ninety-eight million, three hundred twenty-six thousand, seven hundred eighty-four".