19028927903 has 2 divisors, whose sum is σ = 19028927904. Its totient is φ = 19028927902.

The previous prime is 19028927791. The next prime is 19028927933. The reversal of 19028927903 is 30972982091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19028927903 - 2¹² = 19028923807 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19028927933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9514463951 + 9514463952.

It is an arithmetic number, because the mean of its divisors is an integer number (9514463952).

Almost surely, 2^19028927903 is an apocalyptic number.

19028927903 is a deficient number, since it is larger than the sum of its proper divisors (1).

19028927903 is an equidigital number, since it uses as much as digits as its factorization.

19028927903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 19028927903 in words is "nineteen billion, twenty-eight million, nine hundred twenty-seven thousand, nine hundred three".