201719201034 has 32 divisors (see below), whose sum is σ = 434576842560. Its totient is φ = 62052486912.

The previous prime is 201719201027. The next prime is 201719201077. The reversal of 201719201034 is 430102917102.

It is a junction number, because it is equal to n+sod(n) for n = 201719200992 and 201719201010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16237 + ... + 635375.

It is an arithmetic number, because the mean of its divisors is an integer number (13580526330).

Almost surely, 2^201719201034 is an apocalyptic number.

201719201034 is an abundant number, since it is smaller than the sum of its proper divisors (232857641526).

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

201719201034 is a wasteful number, since it uses less digits than its factorization.

201719201034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623334.

The product of its (nonzero) digits is 3024, while the sum is 30.

It can be divided in two parts, 201719 and 201034, that added together give a triangular number (402753 = T₈₉₇).

The spelling of 201719201034 in words is "two hundred one billion, seven hundred nineteen million, two hundred one thousand, thirty-four".