233421693739491 has 8 divisors (see below), whose sum is σ = 311388611461200. Its totient is φ = 155534619255392.

The previous prime is 233421693739427. The next prime is 233421693739543. The reversal of 233421693739491 is 194937396124332.

233421693739491 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 233421693739491 - 2⁶ = 233421693739427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233421693739411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19960802580 + ... + 19960814273.

It is an arithmetic number, because the mean of its divisors is an integer number (38923576432650).

Almost surely, 2^{233421693739491} is an apocalyptic number.

233421693739491 is a deficient number, since it is larger than the sum of its proper divisors (77966917721709).

233421693739491 is a wasteful number, since it uses less digits than its factorization.

233421693739491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39921618805.

The product of its digits is 158723712, while the sum is 66.

The spelling of 233421693739491 in words is "two hundred thirty-three trillion, four hundred twenty-one billion, six hundred ninety-three million, seven hundred thirty-nine thousand, four hundred ninety-one".