1518152736473 has 2 divisors, whose sum is σ = 1518152736474. Its totient is φ = 1518152736472.

The previous prime is 1518152736461. The next prime is 1518152736511. The reversal of 1518152736473 is 3746372518151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1014355151104 + 503797585369 = 1007152^2 + 709787^2 .

It is an emirp because it is prime and its reverse (3746372518151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1518152736473 - 2²⁴ = 1518135959257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1518152736403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759076368236 + 759076368237.

It is an arithmetic number, because the mean of its divisors is an integer number (759076368237).

Almost surely, 2^{1518152736473} is an apocalyptic number.

It is an amenable number.

1518152736473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1518152736473 is an equidigital number, since it uses as much as digits as its factorization.

1518152736473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 53.

The spelling of 1518152736473 in words is "one trillion, five hundred eighteen billion, one hundred fifty-two million, seven hundred thirty-six thousand, four hundred seventy-three".