1930910868233 has 4 divisors (see below), whose sum is σ = 2044493860500. Its totient is φ = 1817327875968.

The previous prime is 1930910868221. The next prime is 1930910868239. The reversal of 1930910868233 is 3328680190391.

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 1056214564729 + 874696303504 = 1027723^2 + 935252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1930910868233 - 2¹⁶ = 1930910802697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1930910868239) 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, 56791496108 + ... + 56791496141.

It is an arithmetic number, because the mean of its divisors is an integer number (511123465125).

Almost surely, 2^{1930910868233} is an apocalyptic number.

It is an amenable number.

1930910868233 is a deficient number, since it is larger than the sum of its proper divisors (113582992267).

1930910868233 is a wasteful number, since it uses less digits than its factorization.

1930910868233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113582992266.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 1930910868233 in words is "one trillion, nine hundred thirty billion, nine hundred ten million, eight hundred sixty-eight thousand, two hundred thirty-three".