233879493409 has 2 divisors, whose sum is σ = 233879493410. Its totient is φ = 233879493408.

The previous prime is 233879493391. The next prime is 233879493413. The reversal of 233879493409 is 904394978332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187857230625 + 46022262784 = 433425^2 + 214528^2 .

It is a cyclic number.

It is not a de Polignac number, because 233879493409 - 2⁹ = 233879492897 is a prime.

It is not a weakly prime, because it can be changed into another prime (233879493439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116939746704 + 116939746705.

It is an arithmetic number, because the mean of its divisors is an integer number (116939746705).

Almost surely, 2^233879493409 is an apocalyptic number.

It is an amenable number.

233879493409 is a deficient number, since it is larger than the sum of its proper divisors (1).

233879493409 is an equidigital number, since it uses as much as digits as its factorization.

233879493409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 233879493409 in words is "two hundred thirty-three billion, eight hundred seventy-nine million, four hundred ninety-three thousand, four hundred nine".