5818997012447 has 2 divisors, whose sum is σ = 5818997012448. Its totient is φ = 5818997012446.

The previous prime is 5818997012377. The next prime is 5818997012473. The reversal of 5818997012447 is 7442107998185.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5818997012447 - 2²² = 5818992818143 is a prime.

It is a super-2 number, since 2×5818997012447² (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 (5818997002447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2909498506223 + 2909498506224.

It is an arithmetic number, because the mean of its divisors is an integer number (2909498506224).

Almost surely, 2^{5818997012447} is an apocalyptic number.

5818997012447 is a deficient number, since it is larger than the sum of its proper divisors (1).

5818997012447 is an equidigital number, since it uses as much as digits as its factorization.

5818997012447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 65.

The spelling of 5818997012447 in words is "five trillion, eight hundred eighteen billion, nine hundred ninety-seven million, twelve thousand, four hundred forty-seven".