546456543497 has 2 divisors, whose sum is σ = 546456543498. Its totient is φ = 546456543496.

The previous prime is 546456543443. The next prime is 546456543499. The reversal of 546456543497 is 794345654645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470793588736 + 75662954761 = 686144^2 + 275069^2 .

It is a cyclic number.

It is not a de Polignac number, because 546456543497 - 2²⁸ = 546188108041 is a prime.

It is a super-2 number, since 2×546456543497² (a number of 24 digits) contains 22 as substring.

Together with 546456543499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (546456543499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273228271748 + 273228271749.

It is an arithmetic number, because the mean of its divisors is an integer number (273228271749).

Almost surely, 2^546456543497 is an apocalyptic number.

It is an amenable number.

546456543497 is a deficient number, since it is larger than the sum of its proper divisors (1).

546456543497 is an equidigital number, since it uses as much as digits as its factorization.

546456543497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728000, while the sum is 62.

The spelling of 546456543497 in words is "five hundred forty-six billion, four hundred fifty-six million, five hundred forty-three thousand, four hundred ninety-seven".