332052249721 has 2 divisors, whose sum is σ = 332052249722. Its totient is φ = 332052249720.

The previous prime is 332052249689. The next prime is 332052249757. The reversal of 332052249721 is 127942250233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320509970496 + 11542279225 = 566136^2 + 107435^2 .

It is a cyclic number.

It is not a de Polignac number, because 332052249721 - 2⁵ = 332052249689 is a prime.

It is a super-2 number, since 2×332052249721² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (332052249121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166026124860 + 166026124861.

It is an arithmetic number, because the mean of its divisors is an integer number (166026124861).

Almost surely, 2^332052249721 is an apocalyptic number.

It is an amenable number.

332052249721 is a deficient number, since it is larger than the sum of its proper divisors (1).

332052249721 is an equidigital number, since it uses as much as digits as its factorization.

332052249721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 332052249721 its reverse (127942250233), we get a palindrome (459994499954).

The spelling of 332052249721 in words is "three hundred thirty-two billion, fifty-two million, two hundred forty-nine thousand, seven hundred twenty-one".