546005946509 has 2 divisors, whose sum is σ = 546005946510. Its totient is φ = 546005946508.

The previous prime is 546005946481. The next prime is 546005946533. The reversal of 546005946509 is 905649500645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372408724009 + 173597222500 = 610253^2 + 416650^2 .

It is a cyclic number.

It is not a de Polignac number, because 546005946509 - 2³² = 541710979213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546005940509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273002973254 + 273002973255.

It is an arithmetic number, because the mean of its divisors is an integer number (273002973255).

Almost surely, 2^546005946509 is an apocalyptic number.

It is an amenable number.

546005946509 is a deficient number, since it is larger than the sum of its proper divisors (1).

546005946509 is an equidigital number, since it uses as much as digits as its factorization.

546005946509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 546005946509 in words is "five hundred forty-six billion, five million, nine hundred forty-six thousand, five hundred nine".