2133152461 has 4 divisors (see below), whose sum is σ = 2327075424. Its totient is φ = 1939229500.

The previous prime is 2133152447. The next prime is 2133152467. The reversal of 2133152461 is 1642513312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2133152461 - 2¹⁷ = 2133021389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133152467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96961465 + ... + 96961486.

It is an arithmetic number, because the mean of its divisors is an integer number (581768856).

Almost surely, 2^2133152461 is an apocalyptic number.

It is an amenable number.

2133152461 is a deficient number, since it is larger than the sum of its proper divisors (193922963).

2133152461 is a wasteful number, since it uses less digits than its factorization.

2133152461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193922962.

The product of its digits is 4320, while the sum is 28.

The square root of 2133152461 is about 46186.0634932227. The cubic root of 2133152461 is about 1287.2827971297.

Adding to 2133152461 its reverse (1642513312), we get a palindrome (3775665773).

The spelling of 2133152461 in words is "two billion, one hundred thirty-three million, one hundred fifty-two thousand, four hundred sixty-one".