201050990801919 has 12 divisors (see below), whose sum is σ = 290420552974656. Its totient is φ = 134027732516832.

The previous prime is 201050990801893. The next prime is 201050990801959. The reversal of 201050990801919 is 919108099050102.

201050990801919 is a `hidden beast` number, since 20 + 1 + 0 + 509 + 90 + 8 + 0 + 19 + 19 = 666.

It is not a de Polignac number, because 201050990801919 - 2³² = 201046695834623 is a prime.

It is a super-2 number, since 2×201050990801919² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201050990801959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521575894 + ... + 521961219.

It is an arithmetic number, because the mean of its divisors is an integer number (24201712747888).

Almost surely, 2^{201050990801919} is an apocalyptic number.

201050990801919 is a deficient number, since it is larger than the sum of its proper divisors (89369562172737).

201050990801919 is a wasteful number, since it uses less digits than its factorization.

201050990801919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043558526 (or 1043558523 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 54.

The spelling of 201050990801919 in words is "two hundred one trillion, fifty billion, nine hundred ninety million, eight hundred one thousand, nine hundred nineteen".