1928173205983 has 2 divisors, whose sum is σ = 1928173205984. Its totient is φ = 1928173205982.

The previous prime is 1928173205911. The next prime is 1928173206041. The reversal of 1928173205983 is 3895023718291.

It is a happy number.

It is an a-pointer prime, because the next prime (1928173206041) can be obtained adding 1928173205983 to its sum of digits (58).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1928173205983 - 2³⁷ = 1790734252511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1928174205983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964086602991 + 964086602992.

It is an arithmetic number, because the mean of its divisors is an integer number (964086602992).

Almost surely, 2^{1928173205983} is an apocalyptic number.

1928173205983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1928173205983 is an equidigital number, since it uses as much as digits as its factorization.

1928173205983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 1928173205983 in words is "one trillion, nine hundred twenty-eight billion, one hundred seventy-three million, two hundred five thousand, nine hundred eighty-three".