2106563049619 has 32 divisors (see below), whose sum is σ = 2561654025216. Its totient is φ = 1691073669120.

The previous prime is 2106563049587. The next prime is 2106563049667. The reversal of 2106563049619 is 9169403656012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2106563049619 - 2⁵ = 2106563049587 is a prime.

It is a super-2 number, since 2×2106563049619² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106563046619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21898344 + ... + 21994330.

It is an arithmetic number, because the mean of its divisors is an integer number (80051688288).

Almost surely, 2^{2106563049619} is an apocalyptic number.

2106563049619 is a deficient number, since it is larger than the sum of its proper divisors (455090975597).

2106563049619 is a wasteful number, since it uses less digits than its factorization.

2106563049619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96915.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 2106563049619 in words is "two trillion, one hundred six billion, five hundred sixty-three million, forty-nine thousand, six hundred nineteen".