234437994211 has 4 divisors (see below), whose sum is σ = 239890040632. Its totient is φ = 228985947792.

The previous prime is 234437994107. The next prime is 234437994223. The reversal of 234437994211 is 112499734432.

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 234437994211 - 2²⁹ = 233901123299 is a prime.

It is a super-2 number, since 2×234437994211² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234437994281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2726023146 + ... + 2726023231.

It is an arithmetic number, because the mean of its divisors is an integer number (59972510158).

Almost surely, 2^234437994211 is an apocalyptic number.

234437994211 is a deficient number, since it is larger than the sum of its proper divisors (5452046421).

234437994211 is an equidigital number, since it uses as much as digits as its factorization.

234437994211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452046420.

The product of its digits is 1306368, while the sum is 49.

The spelling of 234437994211 in words is "two hundred thirty-four billion, four hundred thirty-seven million, nine hundred ninety-four thousand, two hundred eleven".