2086202969 has 4 divisors (see below), whose sum is σ = 2099491044. Its totient is φ = 2072914896.

The previous prime is 2086202941. The next prime is 2086202999. The reversal of 2086202969 is 9692026802.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9692026802 = 2 ⋅4846013401.

It can be written as a sum of positive squares in 2 ways, for example, as 687068944 + 1399134025 = 26212^2 + 37405^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086202969 - 2²⁴ = 2069425753 is a prime.

It is a super-2 number, since 2×2086202969² = 8704485655728829922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2086202929) 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, 6643802 + ... + 6644115.

It is an arithmetic number, because the mean of its divisors is an integer number (524872761).

Almost surely, 2^2086202969 is an apocalyptic number.

It is an amenable number.

2086202969 is a deficient number, since it is larger than the sum of its proper divisors (13288075).

2086202969 is a wasteful number, since it uses less digits than its factorization.

2086202969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13288074.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 2086202969 is about 45674.9709250044. The cubic root of 2086202969 is about 1277.7685259852.

The spelling of 2086202969 in words is "two billion, eighty-six million, two hundred two thousand, nine hundred sixty-nine".