2330003981 has 2 divisors, whose sum is σ = 2330003982. Its totient is φ = 2330003980.

The previous prime is 2330003939. The next prime is 2330004013. The reversal of 2330003981 is 1893000332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1786414756 + 543589225 = 42266^2 + 23315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2330003981 is a prime.

It is a super-2 number, since 2×2330003981² = 10857837102951696722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2330003881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165001990 + 1165001991.

It is an arithmetic number, because the mean of its divisors is an integer number (1165001991).

Almost surely, 2^2330003981 is an apocalyptic number.

It is an amenable number.

2330003981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2330003981 is an equidigital number, since it uses as much as digits as its factorization.

2330003981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2330003981 is about 48270.1147813013. The cubic root of 2330003981 is about 1325.7212602852.

The spelling of 2330003981 in words is "two billion, three hundred thirty million, three thousand, nine hundred eighty-one".