201879397959284 has 12 divisors (see below), whose sum is σ = 353318552558244. Its totient is φ = 100931240085504.

The previous prime is 201879397959259. The next prime is 201879397959293. The reversal of 201879397959284 is 482959793978102.

It can be written as a sum of positive squares in 2 ways, for example, as 103525130572900 + 98354267386384 = 10174730^2 + 9917372^2 .

It is a congruent number.

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, 2114669837 + ... + 2114765300.

It is an arithmetic number, because the mean of its divisors is an integer number (29443212713187).

Almost surely, 2^{201879397959284} is an apocalyptic number.

It is an amenable number.

201879397959284 is a deficient number, since it is larger than the sum of its proper divisors (151439154598960).

201879397959284 is a wasteful number, since it uses less digits than its factorization.

201879397959284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229447074 (or 4229447072 counting only the distinct ones).

The product of its (nonzero) digits is 4938071040, while the sum is 83.

The spelling of 201879397959284 in words is "two hundred one trillion, eight hundred seventy-nine billion, three hundred ninety-seven million, nine hundred fifty-nine thousand, two hundred eighty-four".