2029773285 has 12 divisors (see below), whose sum is σ = 3518273772. Its totient is φ = 1082545728.

The previous prime is 2029773281. The next prime is 2029773313. The reversal of 2029773285 is 5823779202.

It can be written as a sum of positive squares in 2 ways, for example, as 234641124 + 1795132161 = 15318^2 + 42369^2 .

It is not a de Polignac number, because 2029773285 - 2² = 2029773281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 45106073 = 2029773285 / (2 + 0 + 2 + 9 + 7 + 7 + 3 + 2 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2029773285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029773281) 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, 22552992 + ... + 22553081.

It is an arithmetic number, because the mean of its divisors is an integer number (293189481).

Almost surely, 2^2029773285 is an apocalyptic number.

It is an amenable number.

2029773285 is a deficient number, since it is larger than the sum of its proper divisors (1488500487).

2029773285 is a wasteful number, since it uses less digits than its factorization.

2029773285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45106084 (or 45106081 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 2029773285 is about 45053.0052826668. The cubic root of 2029773285 is about 1266.1422782827.

The spelling of 2029773285 in words is "two billion, twenty-nine million, seven hundred seventy-three thousand, two hundred eighty-five".