545234404432493 has 2 divisors, whose sum is σ = 545234404432494. Its totient is φ = 545234404432492.

The previous prime is 545234404432451. The next prime is 545234404432589. The reversal of 545234404432493 is 394234404432545.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500381019163204 + 44853385269289 = 22369198^2 + 6697267^2 .

It is a cyclic number.

It is not a de Polignac number, because 545234404432493 - 2²⁴ = 545234387655277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545234404632493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272617202216246 + 272617202216247.

It is an arithmetic number, because the mean of its divisors is an integer number (272617202216247).

Almost surely, 2^{545234404432493} is an apocalyptic number.

It is an amenable number.

545234404432493 is a deficient number, since it is larger than the sum of its proper divisors (1).

545234404432493 is an equidigital number, since it uses as much as digits as its factorization.

545234404432493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 99532800, while the sum is 56.

The spelling of 545234404432493 in words is "five hundred forty-five trillion, two hundred thirty-four billion, four hundred four million, four hundred thirty-two thousand, four hundred ninety-three".