201254079749284 has 48 divisors (see below), whose sum is σ = 355046088499200. Its totient is φ = 99815771832480.

The previous prime is 201254079749249. The next prime is 201254079749299. The reversal of 201254079749284 is 482947970452102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468770329 + ... + 469199455.

It is an arithmetic number, because the mean of its divisors is an integer number (7396793510400).

Almost surely, 2^{201254079749284} is an apocalyptic number.

It is an amenable number.

201254079749284 is a deficient number, since it is larger than the sum of its proper divisors (153792008749916).

201254079749284 is a wasteful number, since it uses less digits than its factorization.

201254079749284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431128 (or 431126 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 201254079749284 in words is "two hundred one trillion, two hundred fifty-four billion, seventy-nine million, seven hundred forty-nine thousand, two hundred eighty-four".