146642446062647 has 2 divisors, whose sum is σ = 146642446062648. Its totient is φ = 146642446062646.

The previous prime is 146642446062613. The next prime is 146642446062653. The reversal of 146642446062647 is 746260644246641.

146642446062647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (746260644246641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146642446062647 - 2¹⁴ = 146642446046263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146642446062647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146642446062347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73321223031323 + 73321223031324.

It is an arithmetic number, because the mean of its divisors is an integer number (73321223031324).

Almost surely, 2^{146642446062647} is an apocalyptic number.

146642446062647 is a deficient number, since it is larger than the sum of its proper divisors (1).

146642446062647 is an equidigital number, since it uses as much as digits as its factorization.

146642446062647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222953472, while the sum is 62.

The spelling of 146642446062647 in words is "one hundred forty-six trillion, six hundred forty-two billion, four hundred forty-six million, sixty-two thousand, six hundred forty-seven".