545446644545 has 8 divisors (see below), whose sum is σ = 714039243840. Its totient is φ = 396688468720.

The previous prime is 545446644517. The next prime is 545446644557.

545446644545 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-545446644545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4958605805 + ... + 4958605914.

It is an arithmetic number, because the mean of its divisors is an integer number (89254905480).

Almost surely, 2^545446644545 is an apocalyptic number.

545446644545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545446644545 is a deficient number, since it is larger than the sum of its proper divisors (168592599295).

545446644545 is a wasteful number, since it uses less digits than its factorization.

545446644545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9917211735.

The product of its digits is 92160000, while the sum is 56.

The spelling of 545446644545 in words is "five hundred forty-five billion, four hundred forty-six million, six hundred forty-four thousand, five hundred forty-five".