2423836981 has 2 divisors, whose sum is σ = 2423836982. Its totient is φ = 2423836980.

The previous prime is 2423836963. The next prime is 2423836993. The reversal of 2423836981 is 1896383242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2326518756 + 97318225 = 48234^2 + 9865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423836981 - 2⁵ = 2423836949 is a prime.

It is a super-2 number, since 2×2423836981² = 11749971420926388722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2423836901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211918490 + 1211918491.

It is an arithmetic number, because the mean of its divisors is an integer number (1211918491).

Almost surely, 2^2423836981 is an apocalyptic number.

It is an amenable number.

2423836981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423836981 is an equidigital number, since it uses as much as digits as its factorization.

2423836981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 46.

The square root of 2423836981 is about 49232.4789239786. The cubic root of 2423836981 is about 1343.2838780888.

The spelling of 2423836981 in words is "two billion, four hundred twenty-three million, eight hundred thirty-six thousand, nine hundred eighty-one".