2474446981 has 2 divisors, whose sum is σ = 2474446982. Its totient is φ = 2474446980.

The previous prime is 2474446979. The next prime is 2474446991. The reversal of 2474446981 is 1896444742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2422116225 + 52330756 = 49215^2 + 7234^2 .

It is a cyclic number.

It is not a de Polignac number, because 2474446981 - 2¹ = 2474446979 is a prime.

It is a super-2 number, since 2×2474446981² = 12245775723560028722, which contains 22 as substring.

Together with 2474446979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2474446991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1237223490 + 1237223491.

It is an arithmetic number, because the mean of its divisors is an integer number (1237223491).

Almost surely, 2^2474446981 is an apocalyptic number.

It is an amenable number.

2474446981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2474446981 is an equidigital number, since it uses as much as digits as its factorization.

2474446981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 49.

The square root of 2474446981 is about 49743.8134947453. The cubic root of 2474446981 is about 1352.5688592492.

The spelling of 2474446981 in words is "two billion, four hundred seventy-four million, four hundred forty-six thousand, nine hundred eighty-one".