2055189069 has 12 divisors (see below), whose sum is σ = 3031768896. Its totient is φ = 1340974152.

The previous prime is 2055189049. The next prime is 2055189077. The reversal of 2055189069 is 9609815502.

2055189069 is a `hidden beast` number, since 2 + 0 + 551 + 8 + 90 + 6 + 9 = 666.

It is not a de Polignac number, because 2055189069 - 2⁹ = 2055188557 is a prime.

It is a super-2 number, since 2×2055189069² = 8447604218674173522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055189049) 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, 2428879 + ... + 2429724.

It is an arithmetic number, because the mean of its divisors is an integer number (252647408).

Almost surely, 2^2055189069 is an apocalyptic number.

It is an amenable number.

2055189069 is a deficient number, since it is larger than the sum of its proper divisors (976579827).

2055189069 is a wasteful number, since it uses less digits than its factorization.

2055189069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858656 (or 4858653 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 2055189069 is about 45334.1931548362. The cubic root of 2055189069 is about 1271.4050354045.

The spelling of 2055189069 in words is "two billion, fifty-five million, one hundred eighty-nine thousand, sixty-nine".