201034419991 has 8 divisors (see below), whose sum is σ = 207972785520. Its totient is φ = 194096464128.

The previous prime is 201034419961. The next prime is 201034420043. The reversal of 201034419991 is 199914430102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201034419991 - 2²⁷ = 200900202263 is a prime.

It is a super-2 number, since 2×201034419991² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201034419931) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1159815 + ... + 1321831.

It is an arithmetic number, because the mean of its divisors is an integer number (25996598190).

Almost surely, 2^201034419991 is an apocalyptic number.

201034419991 is a deficient number, since it is larger than the sum of its proper divisors (6938365529).

201034419991 is a wasteful number, since it uses less digits than its factorization.

201034419991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204833.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 201034419991 in words is "two hundred one billion, thirty-four million, four hundred nineteen thousand, nine hundred ninety-one".