234624452021 has 2 divisors, whose sum is σ = 234624452022. Its totient is φ = 234624452020.

The previous prime is 234624451937. The next prime is 234624452033. The reversal of 234624452021 is 120254426432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231731518225 + 2892933796 = 481385^2 + 53786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234624452021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234624052021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117312226010 + 117312226011.

It is an arithmetic number, because the mean of its divisors is an integer number (117312226011).

Almost surely, 2^234624452021 is an apocalyptic number.

It is an amenable number.

234624452021 is a deficient number, since it is larger than the sum of its proper divisors (1).

234624452021 is an equidigital number, since it uses as much as digits as its factorization.

234624452021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 234624452021 its reverse (120254426432), we get a palindrome (354878878453).

The spelling of 234624452021 in words is "two hundred thirty-four billion, six hundred twenty-four million, four hundred fifty-two thousand, twenty-one".