102133784993 has 4 divisors (see below), whose sum is σ = 102153397380. Its totient is φ = 102114172608.

The previous prime is 102133784989. The next prime is 102133785001. The reversal of 102133784993 is 399487331201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76467181729 + 25666603264 = 276527^2 + 160208^2 .

It is a cyclic number.

It is not a de Polignac number, because 102133784993 - 2² = 102133784989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102133784933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9798380 + ... + 9808797.

It is an arithmetic number, because the mean of its divisors is an integer number (25538349345).

Almost surely, 2^102133784993 is an apocalyptic number.

It is an amenable number.

102133784993 is a deficient number, since it is larger than the sum of its proper divisors (19612387).

102133784993 is an equidigital number, since it uses as much as digits as its factorization.

102133784993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19612386.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 102133784993 in words is "one hundred two billion, one hundred thirty-three million, seven hundred eighty-four thousand, nine hundred ninety-three".