332404434121 has 2 divisors, whose sum is σ = 332404434122. Its totient is φ = 332404434120.

The previous prime is 332404434113. The next prime is 332404434149. The reversal of 332404434121 is 121434404233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311715639225 + 20688794896 = 558315^2 + 143836^2 .

It is a cyclic number.

It is not a de Polignac number, because 332404434121 - 2³ = 332404434113 is a prime.

It is a super-2 number, since 2×332404434121² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (332404434101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166202217060 + 166202217061.

It is an arithmetic number, because the mean of its divisors is an integer number (166202217061).

Almost surely, 2^332404434121 is an apocalyptic number.

It is an amenable number.

332404434121 is a deficient number, since it is larger than the sum of its proper divisors (1).

332404434121 is an equidigital number, since it uses as much as digits as its factorization.

332404434121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 332404434121 its reverse (121434404233), we get a palindrome (453838838354).

The spelling of 332404434121 in words is "three hundred thirty-two billion, four hundred four million, four hundred thirty-four thousand, one hundred twenty-one".