546311552621 has 2 divisors, whose sum is σ = 546311552622. Its totient is φ = 546311552620.

The previous prime is 546311552599. The next prime is 546311552693. The reversal of 546311552621 is 126255113645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340984755721 + 205326796900 = 583939^2 + 453130^2 .

It is a cyclic number.

It is not a de Polignac number, because 546311552621 - 2¹⁴ = 546311536237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546311752621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273155776310 + 273155776311.

It is an arithmetic number, because the mean of its divisors is an integer number (273155776311).

Almost surely, 2^546311552621 is an apocalyptic number.

It is an amenable number.

546311552621 is a deficient number, since it is larger than the sum of its proper divisors (1).

546311552621 is an equidigital number, since it uses as much as digits as its factorization.

546311552621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 41.

The spelling of 546311552621 in words is "five hundred forty-six billion, three hundred eleven million, five hundred fifty-two thousand, six hundred twenty-one".