2427347124581 has 2 divisors, whose sum is σ = 2427347124582. Its totient is φ = 2427347124580.

The previous prime is 2427347124563. The next prime is 2427347124607. The reversal of 2427347124581 is 1854217437242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1371931977025 + 1055415147556 = 1171295^2 + 1027334^2 .

It is a cyclic number.

It is not a de Polignac number, because 2427347124581 - 2²² = 2427342930277 is a prime.

It is a super-2 number, since 2×2427347124581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2427347124781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213673562290 + 1213673562291.

It is an arithmetic number, because the mean of its divisors is an integer number (1213673562291).

Almost surely, 2^{2427347124581} is an apocalyptic number.

It is an amenable number.

2427347124581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2427347124581 is an equidigital number, since it uses as much as digits as its factorization.

2427347124581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3010560, while the sum is 50.

The spelling of 2427347124581 in words is "two trillion, four hundred twenty-seven billion, three hundred forty-seven million, one hundred twenty-four thousand, five hundred eighty-one".