1928291102071 has 2 divisors, whose sum is σ = 1928291102072. Its totient is φ = 1928291102070.

The previous prime is 1928291102063. The next prime is 1928291102197. The reversal of 1928291102071 is 1702011928291.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1928291102071 - 2³ = 1928291102063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1928291103071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964145551035 + 964145551036.

It is an arithmetic number, because the mean of its divisors is an integer number (964145551036).

Almost surely, 2^{1928291102071} is an apocalyptic number.

1928291102071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1928291102071 is an equidigital number, since it uses as much as digits as its factorization.

1928291102071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 1928291102071 in words is "one trillion, nine hundred twenty-eight billion, two hundred ninety-one million, one hundred two thousand, seventy-one".