2064554469 has 6 divisors (see below), whose sum is σ = 2982134246. Its totient is φ = 1376369640.

The previous prime is 2064554447. The next prime is 2064554483. The reversal of 2064554469 is 9644554602.

2064554469 is a `hidden beast` number, since 2 + 0 + 6 + 45 + 544 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1909253025 + 155301444 = 43695^2 + 12462^2 .

It is not a de Polignac number, because 2064554469 - 2¹⁹ = 2064030181 is a prime.

It is a super-2 number, since 2×2064554469² = 8524770310935743922, which 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 (2064554369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114697462 + ... + 114697479.

Almost surely, 2^2064554469 is an apocalyptic number.

It is an amenable number.

2064554469 is a deficient number, since it is larger than the sum of its proper divisors (917579777).

2064554469 is a wasteful number, since it uses less digits than its factorization.

2064554469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229394947 (or 229394944 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 2064554469 is about 45437.3686408005. The cubic root of 2064554469 is about 1273.3333536103. Note that the first 4 decimals are identical.

The spelling of 2064554469 in words is "two billion, sixty-four million, five hundred fifty-four thousand, four hundred sixty-nine".