1028191418199 has 64 divisors (see below), whose sum is σ = 1669005803520. Its totient is φ = 620418284640.

The previous prime is 1028191418183. The next prime is 1028191418201. The reversal of 1028191418199 is 9918141918201.

1028191418199 is a `hidden beast` number, since 1 + 0 + 28 + 19 + 1 + 418 + 199 = 666.

It is not a de Polignac number, because 1028191418199 - 2⁴ = 1028191418183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028191418699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 208007122 + ... + 208012064.

It is an arithmetic number, because the mean of its divisors is an integer number (26078215680).

Almost surely, 2^{1028191418199} is an apocalyptic number.

1028191418199 is a deficient number, since it is larger than the sum of its proper divisors (640814385321).

1028191418199 is a wasteful number, since it uses less digits than its factorization.

1028191418199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889 (or 7883 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 54.

The spelling of 1028191418199 in words is "one trillion, twenty-eight billion, one hundred ninety-one million, four hundred eighteen thousand, one hundred ninety-nine".