2133170551 has 2 divisors, whose sum is σ = 2133170552. Its totient is φ = 2133170550.

The previous prime is 2133170537. The next prime is 2133170563. The reversal of 2133170551 is 1550713312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2133170551 - 2⁵ = 2133170519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133170051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066585275 + 1066585276.

It is an arithmetic number, because the mean of its divisors is an integer number (1066585276).

Almost surely, 2^2133170551 is an apocalyptic number.

2133170551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133170551 is an equidigital number, since it uses as much as digits as its factorization.

2133170551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 2133170551 is about 46186.2593311041. The cubic root of 2133170551 is about 1287.2864360132.

Adding to 2133170551 its reverse (1550713312), we get a palindrome (3683883863).

The spelling of 2133170551 in words is "two billion, one hundred thirty-three million, one hundred seventy thousand, five hundred fifty-one".