546636439739 has 4 divisors (see below), whose sum is σ = 588685396656. Its totient is φ = 504587482824.

The previous prime is 546636439733. The next prime is 546636439751. The reversal of 546636439739 is 937934636645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 546636439739 - 2¹² = 546636435643 is a prime.

It is a super-2 number, since 2×546636439739² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546636439733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21024478439 + ... + 21024478464.

It is an arithmetic number, because the mean of its divisors is an integer number (147171349164).

Almost surely, 2^546636439739 is an apocalyptic number.

546636439739 is a deficient number, since it is larger than the sum of its proper divisors (42048956917).

546636439739 is a wasteful number, since it uses less digits than its factorization.

546636439739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42048956916.

The product of its digits is 264539520, while the sum is 65.

The spelling of 546636439739 in words is "five hundred forty-six billion, six hundred thirty-six million, four hundred thirty-nine thousand, seven hundred thirty-nine".