545225361319 has 4 divisors (see below), whose sum is σ = 545300978760. Its totient is φ = 545149743880.

The previous prime is 545225361301. The next prime is 545225361353. The reversal of 545225361319 is 913163522545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913163522545 = 5 ⋅182632704509.

It is a cyclic number.

It is not a de Polignac number, because 545225361319 - 2¹¹ = 545225359271 is a prime.

It is a super-2 number, since 2×545225361319² (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 (545225361619) 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, 37797904 + ... + 37812325.

It is an arithmetic number, because the mean of its divisors is an integer number (136325244690).

Almost surely, 2^545225361319 is an apocalyptic number.

545225361319 is a deficient number, since it is larger than the sum of its proper divisors (75617441).

545225361319 is an equidigital number, since it uses as much as digits as its factorization.

545225361319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75617440.

The product of its digits is 972000, while the sum is 46.

The spelling of 545225361319 in words is "five hundred forty-five billion, two hundred twenty-five million, three hundred sixty-one thousand, three hundred nineteen".