545212352405 has 16 divisors (see below), whose sum is σ = 773503240320. Its totient is φ = 360968177472.

The previous prime is 545212352389. The next prime is 545212352417. The reversal of 545212352405 is 504253212545.

It is not a de Polignac number, because 545212352405 - 2⁴ = 545212352389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268576499 + ... + 268578528.

It is an arithmetic number, because the mean of its divisors is an integer number (48343952520).

Almost surely, 2^545212352405 is an apocalyptic number.

It is an amenable number.

545212352405 is a deficient number, since it is larger than the sum of its proper divisors (228290887915).

545212352405 is a wasteful number, since it uses less digits than its factorization.

545212352405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537155068.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 545212352405 in words is "five hundred forty-five billion, two hundred twelve million, three hundred fifty-two thousand, four hundred five".