545353620431 has 2 divisors, whose sum is σ = 545353620432. Its totient is φ = 545353620430.

The previous prime is 545353620367. The next prime is 545353620433. The reversal of 545353620431 is 134026353545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545353620431 - 2⁶ = 545353620367 is a prime.

It is a super-2 number, since 2×545353620431² (a number of 24 digits) contains 22 as substring.

Together with 545353620433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545353620433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272676810215 + 272676810216.

It is an arithmetic number, because the mean of its divisors is an integer number (272676810216).

Almost surely, 2^545353620431 is an apocalyptic number.

545353620431 is a deficient number, since it is larger than the sum of its proper divisors (1).

545353620431 is an equidigital number, since it uses as much as digits as its factorization.

545353620431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 545353620431 its reverse (134026353545), we get a palindrome (679379973976).

The spelling of 545353620431 in words is "five hundred forty-five billion, three hundred fifty-three million, six hundred twenty thousand, four hundred thirty-one".