545673929 has 4 divisors (see below), whose sum is σ = 553818384. Its totient is φ = 537529476.

The previous prime is 545673923. The next prime is 545673937. The reversal of 545673929 is 929376545.

It is a happy number.

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-545673929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545673923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4072127 + ... + 4072260.

It is an arithmetic number, because the mean of its divisors is an integer number (138454596).

Almost surely, 2^545673929 is an apocalyptic number.

It is an amenable number.

545673929 is a deficient number, since it is larger than the sum of its proper divisors (8144455).

545673929 is an equidigital number, since it uses as much as digits as its factorization.

545673929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8144454.

The product of its digits is 2041200, while the sum is 50.

The square root of 545673929 is about 23359.6645737904. The cubic root of 545673929 is about 817.1674670576.

The spelling of 545673929 in words is "five hundred forty-five million, six hundred seventy-three thousand, nine hundred twenty-nine".