545627726545 has 32 divisors (see below), whose sum is σ = 727907503104. Its totient is φ = 389250451200.

The previous prime is 545627726543. The next prime is 545627726593.

It is a happy number.

545627726545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545627726545 - 2¹ = 545627726543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545627726545.

It is not an unprimeable number, because it can be changed into a prime (545627726543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15930859 + ... + 15965071.

It is an arithmetic number, because the mean of its divisors is an integer number (22747109472).

Almost surely, 2^545627726545 is an apocalyptic number.

545627726545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545627726545 is a deficient number, since it is larger than the sum of its proper divisors (182279776559).

545627726545 is a wasteful number, since it uses less digits than its factorization.

545627726545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39753.

The product of its digits is 70560000, while the sum is 58.

The spelling of 545627726545 in words is "five hundred forty-five billion, six hundred twenty-seven million, seven hundred twenty-six thousand, five hundred forty-five".