330630535481 has 2 divisors, whose sum is σ = 330630535482. Its totient is φ = 330630535480.

The previous prime is 330630535409. The next prime is 330630535511. The reversal of 330630535481 is 184535036033.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330499661881 + 130873600 = 574891^2 + 11440^2 .

It is a cyclic number.

It is not a de Polignac number, because 330630535481 - 2¹⁴ = 330630519097 is a prime.

It is a super-2 number, since 2×330630535481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (330630535181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165315267740 + 165315267741.

It is an arithmetic number, because the mean of its divisors is an integer number (165315267741).

Almost surely, 2^330630535481 is an apocalyptic number.

It is an amenable number.

330630535481 is a deficient number, since it is larger than the sum of its proper divisors (1).

330630535481 is an equidigital number, since it uses as much as digits as its factorization.

330630535481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 330630535481 in words is "three hundred thirty billion, six hundred thirty million, five hundred thirty-five thousand, four hundred eighty-one".