546264375409 has 9 divisors (see below), whose sum is σ = 547762180953. Its totient is φ = 544770660372.

The previous prime is 546264375389. The next prime is 546264375413. The reversal of 546264375409 is 904573462645.

It is a happy number.

The square root of 546264375409 is 739097.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 546264375409 - 2⁹ = 546264374897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 546264375409.

It is not an unprimeable number, because it can be changed into a prime (546264375439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 354026692 + ... + 354028234.

Almost surely, 2^546264375409 is an apocalyptic number.

546264375409 is the 739097-th square number.

546264375409 is the 369549-th centered octagonal number.

It is an amenable number.

546264375409 is a deficient number, since it is larger than the sum of its proper divisors (1497805544).

546264375409 is an frugal number, since it uses more digits than its factorization.

546264375409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 55.

The spelling of 546264375409 in words is "five hundred forty-six billion, two hundred sixty-four million, three hundred seventy-five thousand, four hundred nine".