545626626545 has 64 divisors (see below), whose sum is σ = 899552231424. Its totient is φ = 306665291520.

The previous prime is 545626626529. The next prime is 545626626547.

545626626545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545626626545 - 2⁴ = 545626626529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545626626547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1052417 + ... + 1482846.

It is an arithmetic number, because the mean of its divisors is an integer number (14055503616).

Almost surely, 2^545626626545 is an apocalyptic number.

545626626545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545626626545 is a deficient number, since it is larger than the sum of its proper divisors (353925604879).

545626626545 is a wasteful number, since it uses less digits than its factorization.

545626626545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535342.

The product of its digits is 51840000, while the sum is 56.

The spelling of 545626626545 in words is "five hundred forty-five billion, six hundred twenty-six million, six hundred twenty-six thousand, five hundred forty-five".