545948945973 has 6 divisors (see below), whose sum is σ = 788592921974. Its totient is φ = 363965963976.

The previous prime is 545948945957. The next prime is 545948945989. The reversal of 545948945973 is 379549849545.

545948945973 is a `hidden beast` number, since 5 + 4 + 5 + 94 + 89 + 459 + 7 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (545948945957) and next prime (545948945989).

It can be written as a sum of positive squares in only one way, i.e., 273295791729 + 272653154244 = 522777^2 + 522162^2 .

It is not a de Polignac number, because 545948945973 - 2⁴ = 545948945957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545948945933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30330496990 + ... + 30330497007.

Almost surely, 2^545948945973 is an apocalyptic number.

It is an amenable number.

545948945973 is a deficient number, since it is larger than the sum of its proper divisors (242643976001).

545948945973 is a wasteful number, since it uses less digits than its factorization.

545948945973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60660994003 (or 60660994000 counting only the distinct ones).

The product of its digits is 979776000, while the sum is 72.

The spelling of 545948945973 in words is "five hundred forty-five billion, nine hundred forty-eight million, nine hundred forty-five thousand, nine hundred seventy-three".