201969506284 has 72 divisors (see below), whose sum is σ = 451511467008. Its totient is φ = 77322548160.

The previous prime is 201969506273. The next prime is 201969506311. The reversal of 201969506284 is 482605969102.

201969506284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

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 23 ways as a sum of consecutive naturals, for example, 541722 + ... + 835105.

Almost surely, 2^201969506284 is an apocalyptic number.

It is an amenable number.

201969506284 is an abundant number, since it is smaller than the sum of its proper divisors (249541960724).

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

201969506284 is a wasteful number, since it uses less digits than its factorization.

201969506284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376895 (or 1376880 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 201969506284 in words is "two hundred one billion, nine hundred sixty-nine million, five hundred six thousand, two hundred eighty-four".