2789161253 has 12 divisors (see below), whose sum is σ = 2965122660. Its totient is φ = 2623107072.

The previous prime is 2789161241. The next prime is 2789161303. The reversal of 2789161253 is 3521619872.

It can be written as a sum of positive squares in 6 ways, for example, as 24820324 + 2764340929 = 4982^2 + 52577^2 .

It is not a de Polignac number, because 2789161253 - 2⁴ = 2789161237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789161153) 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 11 ways as a sum of consecutive naturals, for example, 498053 + ... + 503621.

It is an arithmetic number, because the mean of its divisors is an integer number (247093555).

Almost surely, 2^2789161253 is an apocalyptic number.

It is an amenable number.

2789161253 is a deficient number, since it is larger than the sum of its proper divisors (175961407).

2789161253 is a wasteful number, since it uses less digits than its factorization.

2789161253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336 (or 7319 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 2789161253 is about 52812.5103834309. The cubic root of 2789161253 is about 1407.6387306822.

The spelling of 2789161253 in words is "two billion, seven hundred eighty-nine million, one hundred sixty-one thousand, two hundred fifty-three".