545441223373 has 2 divisors, whose sum is σ = 545441223374. Its totient is φ = 545441223372.

The previous prime is 545441223281. The next prime is 545441223403. The reversal of 545441223373 is 373322144545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 542022833284 + 3418390089 = 736222^2 + 58467^2 .

It is a cyclic number.

It is not a de Polignac number, because 545441223373 - 2²⁵ = 545407668941 is a prime.

It is a super-2 number, since 2×545441223373² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545441224373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272720611686 + 272720611687.

It is an arithmetic number, because the mean of its divisors is an integer number (272720611687).

Almost surely, 2^545441223373 is an apocalyptic number.

It is an amenable number.

545441223373 is a deficient number, since it is larger than the sum of its proper divisors (1).

545441223373 is an equidigital number, since it uses as much as digits as its factorization.

545441223373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 43.

The spelling of 545441223373 in words is "five hundred forty-five billion, four hundred forty-one million, two hundred twenty-three thousand, three hundred seventy-three".