201679614490 has 16 divisors (see below), whose sum is σ = 363502874952. Its totient is φ = 80565274944.

The previous prime is 201679614481. The next prime is 201679614497. The reversal of 201679614490 is 94416976102.

201679614490 is digitally balanced in base 2, 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 4 ways, for example, as 197919104161 + 3760510329 = 444881^2 + 61323^2 .

It is not an unprimeable number, because it can be changed into a prime (201679614497) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13313409 + ... + 13328548.

Almost surely, 2^201679614490 is an apocalyptic number.

201679614490 is a deficient number, since it is larger than the sum of its proper divisors (161823260462).

201679614490 is a wasteful number, since it uses less digits than its factorization.

201679614490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26642721.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 201679614490 in words is "two hundred one billion, six hundred seventy-nine million, six hundred fourteen thousand, four hundred ninety".