2133569438 has 64 divisors (see below), whose sum is σ = 4306756608. Its totient is φ = 765573120.

The previous prime is 2133569437. The next prime is 2133569453. The reversal of 2133569438 is 8349653312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133569437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1154231 + ... + 1156077.

It is an arithmetic number, because the mean of its divisors is an integer number (67293072).

Almost surely, 2^2133569438 is an apocalyptic number.

2133569438 is an abundant number, since it is smaller than the sum of its proper divisors (2173187170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133569438 is a wasteful number, since it uses less digits than its factorization.

2133569438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457.

The product of its digits is 466560, while the sum is 44.

The square root of 2133569438 is about 46190.5773724469. The cubic root of 2133569438 is about 1287.3666686701.

The spelling of 2133569438 in words is "two billion, one hundred thirty-three million, five hundred sixty-nine thousand, four hundred thirty-eight".