201939469458 has 16 divisors (see below), whose sum is σ = 403993039296. Its totient is φ = 67294139760.

The previous prime is 201939469421. The next prime is 201939469471. The reversal of 201939469458 is 854964939102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4731166 + ... + 4773657.

It is an arithmetic number, because the mean of its divisors is an integer number (25249564956).

Almost surely, 2^201939469458 is an apocalyptic number.

201939469458 is an abundant number, since it is smaller than the sum of its proper divisors (202053569838).

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

201939469458 is a wasteful number, since it uses less digits than its factorization.

201939469458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9508369.

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 201939469458 in words is "two hundred one billion, nine hundred thirty-nine million, four hundred sixty-nine thousand, four hundred fifty-eight".