2133453505 has 8 divisors (see below), whose sum is σ = 2710741032. Its totient is φ = 1606364928.

The previous prime is 2133453479. The next prime is 2133453571. The reversal of 2133453505 is 5053543312.

It can be written as a sum of positive squares in 4 ways, for example, as 14508481 + 2118945024 = 3809^2 + 46032^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2133453505 - 2¹³ = 2133445313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12549642 + ... + 12549811.

It is an arithmetic number, because the mean of its divisors is an integer number (338842629).

Almost surely, 2^2133453505 is an apocalyptic number.

It is an amenable number.

2133453505 is a deficient number, since it is larger than the sum of its proper divisors (577287527).

2133453505 is a wasteful number, since it uses less digits than its factorization.

2133453505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25099475.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2133453505 is about 46189.3224133024. The cubic root of 2133453505 is about 1287.3433507846.

Adding to 2133453505 its reverse (5053543312), we get a palindrome (7186996817).

The spelling of 2133453505 in words is "two billion, one hundred thirty-three million, four hundred fifty-three thousand, five hundred five".