2324997981 has 24 divisors (see below), whose sum is σ = 3417275576. Its totient is φ = 1522851840.

The previous prime is 2324997973. The next prime is 2324997989. The reversal of 2324997981 is 1897994232.

2324997981 is a `hidden beast` number, since 2 + 3 + 2 + 499 + 79 + 81 = 666.

2324997981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2324997973) and next prime (2324997989).

It can be written as a sum of positive squares in 4 ways, for example, as 793881 + 2324204100 = 891^2 + 48210^2 .

It is not a de Polignac number, because 2324997981 - 2³ = 2324997973 is a prime.

It is a super-2 number, since 2×2324997981² = 10811231223308152722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2324997989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 631161 + ... + 634833.

Almost surely, 2^2324997981 is an apocalyptic number.

It is an amenable number.

2324997981 is a deficient number, since it is larger than the sum of its proper divisors (1092277595).

2324997981 is a wasteful number, since it uses less digits than its factorization.

2324997981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893 (or 4890 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 2324997981 is about 48218.2328689055. The cubic root of 2324997981 is about 1324.7711447153.

The spelling of 2324997981 in words is "two billion, three hundred twenty-four million, nine hundred ninety-seven thousand, nine hundred eighty-one".