545213021313 has 4 divisors (see below), whose sum is σ = 726950695088. Its totient is φ = 363475347540.

The previous prime is 545213021299. The next prime is 545213021317. The reversal of 545213021313 is 313120312545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-545213021313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545213021317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90868836883 + ... + 90868836888.

It is an arithmetic number, because the mean of its divisors is an integer number (181737673772).

Almost surely, 2^545213021313 is an apocalyptic number.

It is an amenable number.

545213021313 is a deficient number, since it is larger than the sum of its proper divisors (181737673775).

545213021313 is a wasteful number, since it uses less digits than its factorization.

545213021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181737673774.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 545213021313 its reverse (313120312545), we get a palindrome (858333333858).

The spelling of 545213021313 in words is "five hundred forty-five billion, two hundred thirteen million, twenty-one thousand, three hundred thirteen".