4502323981 has 2 divisors, whose sum is σ = 4502323982. Its totient is φ = 4502323980.

The previous prime is 4502323927. The next prime is 4502323993. The reversal of 4502323981 is 1893232054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4352040900 + 150283081 = 65970^2 + 12259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4502323981 is a prime.

It is a super-2 number, since 2×4502323981² = 40541842459775376722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4502323981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4502323081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2251161990 + 2251161991.

It is an arithmetic number, because the mean of its divisors is an integer number (2251161991).

Almost surely, 2^4502323981 is an apocalyptic number.

It is an amenable number.

4502323981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4502323981 is an equidigital number, since it uses as much as digits as its factorization.

4502323981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 4502323981 is about 67099.3590207835. The cubic root of 4502323981 is about 1651.2477835429.

The spelling of 4502323981 in words is "four billion, five hundred two million, three hundred twenty-three thousand, nine hundred eighty-one".