2133973694 has 8 divisors (see below), whose sum is σ = 3201249168. Its totient is φ = 1066890640.

The previous prime is 2133973693. The next prime is 2133973711. The reversal of 2133973694 is 4963793312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2133973694³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133973693) 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, 16127 + ... + 67290.

It is an arithmetic number, because the mean of its divisors is an integer number (400156146).

Almost surely, 2^2133973694 is an apocalyptic number.

2133973694 is a deficient number, since it is larger than the sum of its proper divisors (1067275474).

2133973694 is a wasteful number, since it uses less digits than its factorization.

2133973694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96210.

The product of its digits is 734832, while the sum is 47.

The square root of 2133973694 is about 46194.9531226085. The cubic root of 2133973694 is about 1287.4479710524.

The spelling of 2133973694 in words is "two billion, one hundred thirty-three million, nine hundred seventy-three thousand, six hundred ninety-four".