2055017769 has 16 divisors (see below), whose sum is σ = 3178195968. Its totient is φ = 1156768272.

The previous prime is 2055017761. The next prime is 2055017791. The reversal of 2055017769 is 9677105502.

It is not a de Polignac number, because 2055017769 - 2³ = 2055017761 is a prime.

It is a super-2 number, since 2×2055017769² = 8446196061811474722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2055017769.

It is not an unprimeable number, because it can be changed into a prime (2055017761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728877 + ... + 731690.

It is an arithmetic number, because the mean of its divisors is an integer number (198637248).

Almost surely, 2^2055017769 is an apocalyptic number.

It is an amenable number.

2055017769 is a deficient number, since it is larger than the sum of its proper divisors (1123178199).

2055017769 is a wasteful number, since it uses less digits than its factorization.

2055017769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460644.

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 2055017769 is about 45332.3038130647. The cubic root of 2055017769 is about 1271.3697105550.

The spelling of 2055017769 in words is "two billion, fifty-five million, seventeen thousand, seven hundred sixty-nine".