518054536453 has 2 divisors, whose sum is σ = 518054536454. Its totient is φ = 518054536452.

The previous prime is 518054536451. The next prime is 518054536501. The reversal of 518054536453 is 354635450815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406657463809 + 111397072644 = 637697^2 + 333762^2 .

It is a cyclic number.

It is not a de Polignac number, because 518054536453 - 2¹ = 518054536451 is a prime.

Together with 518054536451, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 518054536397 and 518054536406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518054536451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259027268226 + 259027268227.

It is an arithmetic number, because the mean of its divisors is an integer number (259027268227).

Almost surely, 2^518054536453 is an apocalyptic number.

It is an amenable number.

518054536453 is a deficient number, since it is larger than the sum of its proper divisors (1).

518054536453 is an equidigital number, since it uses as much as digits as its factorization.

518054536453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 518054536453 in words is "five hundred eighteen billion, fifty-four million, five hundred thirty-six thousand, four hundred fifty-three".