546349697989 has 2 divisors, whose sum is σ = 546349697990. Its totient is φ = 546349697988.

The previous prime is 546349697987. The next prime is 546349698023. The reversal of 546349697989 is 989796943645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 535775689089 + 10574008900 = 731967^2 + 102830^2 .

It is a cyclic number.

It is not a de Polignac number, because 546349697989 - 2¹ = 546349697987 is a prime.

Together with 546349697987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546349697987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273174848994 + 273174848995.

It is an arithmetic number, because the mean of its divisors is an integer number (273174848995).

Almost surely, 2^546349697989 is an apocalyptic number.

It is an amenable number.

546349697989 is a deficient number, since it is larger than the sum of its proper divisors (1).

546349697989 is an equidigital number, since it uses as much as digits as its factorization.

546349697989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3174474240, while the sum is 79.

The spelling of 546349697989 in words is "five hundred forty-six billion, three hundred forty-nine million, six hundred ninety-seven thousand, nine hundred eighty-nine".