201010201989 has 8 divisors (see below), whose sum is σ = 268193846400. Its totient is φ = 133916679456.

The previous prime is 201010201981. The next prime is 201010201991. The reversal of 201010201989 is 989102010102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201010201989 - 2³ = 201010201981 is a prime.

It is a super-2 number, since 2×201010201989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010201981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22525264 + ... + 22534185.

It is an arithmetic number, because the mean of its divisors is an integer number (33524230800).

Almost surely, 2^201010201989 is an apocalyptic number.

It is an amenable number.

201010201989 is a deficient number, since it is larger than the sum of its proper divisors (67183644411).

201010201989 is a wasteful number, since it uses less digits than its factorization.

201010201989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45060939.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 201010201989 in words is "two hundred one billion, ten million, two hundred one thousand, nine hundred eighty-nine".