233998734539 has 4 divisors (see below), whose sum is σ = 238413805056. Its totient is φ = 229583664024.

The previous prime is 233998734533. The next prime is 233998734547. The reversal of 233998734539 is 935437899332.

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

It is a cyclic number.

It is not a de Polignac number, because 233998734539 - 2²⁰ = 233997685963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233998734533) 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, 2207535179 + ... + 2207535284.

It is an arithmetic number, because the mean of its divisors is an integer number (59603451264).

Almost surely, 2^233998734539 is an apocalyptic number.

233998734539 is a deficient number, since it is larger than the sum of its proper divisors (4415070517).

233998734539 is an equidigital number, since it uses as much as digits as its factorization.

233998734539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415070516.

The product of its digits is 132269760, while the sum is 65.

The spelling of 233998734539 in words is "two hundred thirty-three billion, nine hundred ninety-eight million, seven hundred thirty-four thousand, five hundred thirty-nine".