1601428874263 has 2 divisors, whose sum is σ = 1601428874264. Its totient is φ = 1601428874262.

The previous prime is 1601428874249. The next prime is 1601428874363. The reversal of 1601428874263 is 3624788241061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1601428874263 - 2¹⁷ = 1601428743191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1601428874263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601428874203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800714437131 + 800714437132.

It is an arithmetic number, because the mean of its divisors is an integer number (800714437132).

Almost surely, 2^{1601428874263} is an apocalyptic number.

1601428874263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601428874263 is an equidigital number, since it uses as much as digits as its factorization.

1601428874263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 1601428874263 in words is "one trillion, six hundred one billion, four hundred twenty-eight million, eight hundred seventy-four thousand, two hundred sixty-three".