545212644413 has 4 divisors (see below), whose sum is σ = 545220926880. Its totient is φ = 545204361948.

The previous prime is 545212644313. The next prime is 545212644451. The reversal of 545212644413 is 314446212545.

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 cyclic number.

It is not a de Polignac number, because 545212644413 - 2¹⁶ = 545212578877 is a prime.

It is a super-2 number, since 2×545212644413² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545212644463) 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, 4041695 + ... + 4174412.

It is an arithmetic number, because the mean of its divisors is an integer number (136305231720).

Almost surely, 2^545212644413 is an apocalyptic number.

It is an amenable number.

545212644413 is a deficient number, since it is larger than the sum of its proper divisors (8282467).

545212644413 is an equidigital number, since it uses as much as digits as its factorization.

545212644413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282466.

The product of its digits is 460800, while the sum is 41.

Adding to 545212644413 its reverse (314446212545), we get a palindrome (859658856958).

The spelling of 545212644413 in words is "five hundred forty-five billion, two hundred twelve million, six hundred forty-four thousand, four hundred thirteen".