153961989227 has 2 divisors, whose sum is σ = 153961989228. Its totient is φ = 153961989226.

The previous prime is 153961989221. The next prime is 153961989253. The reversal of 153961989227 is 722989169351.

153961989227 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 is a cyclic number.

It is not a de Polignac number, because 153961989227 - 2¹⁶ = 153961923691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153961989227.

It is not a weakly prime, because it can be changed into another prime (153961989221) 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, 76980994613 + 76980994614.

It is an arithmetic number, because the mean of its divisors is an integer number (76980994614).

Almost surely, 2^153961989227 is an apocalyptic number.

153961989227 is a deficient number, since it is larger than the sum of its proper divisors (1).

153961989227 is an equidigital number, since it uses as much as digits as its factorization.

153961989227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 62.

The spelling of 153961989227 in words is "one hundred fifty-three billion, nine hundred sixty-one million, nine hundred eighty-nine thousand, two hundred twenty-seven".