330133330993 has 4 divisors (see below), whose sum is σ = 330287385088. Its totient is φ = 329979276900.

The previous prime is 330133330979. The next prime is 330133330997. The reversal of 330133330993 is 399033331033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 330133330993 - 2⁹ = 330133330481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330133330997) 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, 77023833 + ... + 77028118.

It is an arithmetic number, because the mean of its divisors is an integer number (82571846272).

Almost surely, 2^330133330993 is an apocalyptic number.

It is an amenable number.

330133330993 is a deficient number, since it is larger than the sum of its proper divisors (154054095).

330133330993 is a wasteful number, since it uses less digits than its factorization.

330133330993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154054094.

The product of its (nonzero) digits is 177147, while the sum is 40.

Adding to 330133330993 its sum of digits (40), we get a palindrome (330133331033).

The spelling of 330133330993 in words is "three hundred thirty billion, one hundred thirty-three million, three hundred thirty thousand, nine hundred ninety-three".