2133561427 has 2 divisors, whose sum is σ = 2133561428. Its totient is φ = 2133561426.

The previous prime is 2133561389. The next prime is 2133561461. The reversal of 2133561427 is 7241653312.

It is an a-pointer prime, because the next prime (2133561461) can be obtained adding 2133561427 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2133561427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133561392 and 2133561401.

It is not a weakly prime, because it can be changed into another prime (2133561527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066780713 + 1066780714.

It is an arithmetic number, because the mean of its divisors is an integer number (1066780714).

Almost surely, 2^2133561427 is an apocalyptic number.

2133561427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133561427 is an equidigital number, since it uses as much as digits as its factorization.

2133561427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 2133561427 is about 46190.4906555451. The cubic root of 2133561427 is about 1287.3650574254.

The spelling of 2133561427 in words is "two billion, one hundred thirty-three million, five hundred sixty-one thousand, four hundred twenty-seven".