2065827109919 has 4 divisors (see below), whose sum is σ = 2065977946944. Its totient is φ = 2065676272896.

The previous prime is 2065827109901. The next prime is 2065827109933. The reversal of 2065827109919 is 9199017285602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2065827109919 - 2⁸ = 2065827109663 is a prime.

It is a super-2 number, since 2×2065827109919² (a number of 25 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 (2065827109939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75397967 + ... + 75425360.

It is an arithmetic number, because the mean of its divisors is an integer number (516494486736).

Almost surely, 2^{2065827109919} is an apocalyptic number.

2065827109919 is a deficient number, since it is larger than the sum of its proper divisors (150837025).

2065827109919 is a wasteful number, since it uses less digits than its factorization.

2065827109919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150837024.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 2065827109919 in words is "two trillion, sixty-five billion, eight hundred twenty-seven million, one hundred nine thousand, nine hundred nineteen".