2129396253 has 16 divisors (see below), whose sum is σ = 3091684800. Its totient is φ = 1298505600.

The previous prime is 2129396233. The next prime is 2129396261. The reversal of 2129396253 is 3526939212.

It is not a de Polignac number, because 2129396253 - 2⁵ = 2129396221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129396233) 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, 642448 + ... + 645753.

It is an arithmetic number, because the mean of its divisors is an integer number (193230300).

Almost surely, 2^2129396253 is an apocalyptic number.

It is an amenable number.

2129396253 is a deficient number, since it is larger than the sum of its proper divisors (962288547).

2129396253 is a wasteful number, since it uses less digits than its factorization.

2129396253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288252.

The product of its digits is 174960, while the sum is 42.

The square root of 2129396253 is about 46145.3817082490. The cubic root of 2129396253 is about 1286.5267732129.

The spelling of 2129396253 in words is "two billion, one hundred twenty-nine million, three hundred ninety-six thousand, two hundred fifty-three".