2253161729 has 16 divisors (see below), whose sum is σ = 2774553600. Its totient is φ = 1781801280.

The previous prime is 2253161707. The next prime is 2253161749. The reversal of 2253161729 is 9271613522.

It is a de Polignac number, because none of the positive numbers 2^k-2253161729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2253161692 and 2253161701.

It is not an unprimeable number, because it can be changed into a prime (2253161749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211472 + ... + 221870.

It is an arithmetic number, because the mean of its divisors is an integer number (173409600).

Almost surely, 2^2253161729 is an apocalyptic number.

It is an amenable number.

2253161729 is a deficient number, since it is larger than the sum of its proper divisors (521391871).

2253161729 is a wasteful number, since it uses less digits than its factorization.

2253161729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800.

The product of its digits is 45360, while the sum is 38.

The square root of 2253161729 is about 47467.4807526163. The cubic root of 2253161729 is about 1310.9841930942.

The spelling of 2253161729 in words is "two billion, two hundred fifty-three million, one hundred sixty-one thousand, seven hundred twenty-nine".