545221202718 has 16 divisors (see below), whose sum is σ = 1154586076560. Its totient is φ = 171049789056.

The previous prime is 545221202717. The next prime is 545221202719. The reversal of 545221202718 is 817202122545.

It is an interprime number because it is at equal distance from previous prime (545221202717) and next prime (545221202719).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545221202711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672652853 + ... + 2672653056.

It is an arithmetic number, because the mean of its divisors is an integer number (72161629785).

Almost surely, 2^545221202718 is an apocalyptic number.

545221202718 is an abundant number, since it is smaller than the sum of its proper divisors (609364873842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545221202718 is a wasteful number, since it uses less digits than its factorization.

545221202718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345305931.

The product of its (nonzero) digits is 89600, while the sum is 39.

The spelling of 545221202718 in words is "five hundred forty-five billion, two hundred twenty-one million, two hundred two thousand, seven hundred eighteen".