215433425149 has 2 divisors, whose sum is σ = 215433425150. Its totient is φ = 215433425148.

The previous prime is 215433425147. The next prime is 215433425173. The reversal of 215433425149 is 941524334512.

215433425149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209472813124 + 5960612025 = 457682^2 + 77205^2 .

It is a cyclic number.

It is not a de Polignac number, because 215433425149 - 2¹ = 215433425147 is a prime.

Together with 215433425147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215433425143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107716712574 + 107716712575.

It is an arithmetic number, because the mean of its divisors is an integer number (107716712575).

Almost surely, 2^215433425149 is an apocalyptic number.

It is an amenable number.

215433425149 is a deficient number, since it is larger than the sum of its proper divisors (1).

215433425149 is an equidigital number, since it uses as much as digits as its factorization.

215433425149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 43.

The spelling of 215433425149 in words is "two hundred fifteen billion, four hundred thirty-three million, four hundred twenty-five thousand, one hundred forty-nine".