1630386046873 has 2 divisors, whose sum is σ = 1630386046874. Its totient is φ = 1630386046872.

The previous prime is 1630386046813. The next prime is 1630386046921. The reversal of 1630386046873 is 3786406830361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1429679358864 + 200706688009 = 1195692^2 + 448003^2 .

It is a cyclic number.

It is not a de Polignac number, because 1630386046873 - 2⁹ = 1630386046361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1630386046813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815193023436 + 815193023437.

It is an arithmetic number, because the mean of its divisors is an integer number (815193023437).

Almost surely, 2^{1630386046873} is an apocalyptic number.

It is an amenable number.

1630386046873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630386046873 is an equidigital number, since it uses as much as digits as its factorization.

1630386046873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 1630386046873 in words is "one trillion, six hundred thirty billion, three hundred eighty-six million, forty-six thousand, eight hundred seventy-three".