2401330330981 has 2 divisors, whose sum is σ = 2401330330982. Its totient is φ = 2401330330980.

The previous prime is 2401330330979. The next prime is 2401330331093. The reversal of 2401330330981 is 1890330331042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1419267168900 + 982063162081 = 1191330^2 + 990991^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401330330981 - 2¹ = 2401330330979 is a prime.

It is a super-2 number, since 2×2401330330981² (a number of 26 digits) contains 22 as substring.

Together with 2401330330979, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2401330330981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2401330330951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200665165490 + 1200665165491.

It is an arithmetic number, because the mean of its divisors is an integer number (1200665165491).

Almost surely, 2^{2401330330981} is an apocalyptic number.

It is an amenable number.

2401330330981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401330330981 is an equidigital number, since it uses as much as digits as its factorization.

2401330330981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 2401330330981 in words is "two trillion, four hundred one billion, three hundred thirty million, three hundred thirty thousand, nine hundred eighty-one".