545505081703 has 2 divisors, whose sum is σ = 545505081704. Its totient is φ = 545505081702.

The previous prime is 545505081701. The next prime is 545505081707. The reversal of 545505081703 is 307180505545.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545505081703 - 2¹ = 545505081701 is a prime.

Together with 545505081701, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 545505081703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545505081701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272752540851 + 272752540852.

It is an arithmetic number, because the mean of its divisors is an integer number (272752540852).

Almost surely, 2^545505081703 is an apocalyptic number.

545505081703 is a deficient number, since it is larger than the sum of its proper divisors (1).

545505081703 is an equidigital number, since it uses as much as digits as its factorization.

545505081703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 545505081703 in words is "five hundred forty-five billion, five hundred five million, eighty-one thousand, seven hundred three".