546638424836645 has 32 divisors (see below), whose sum is σ = 691142512896000. Its totient is φ = 413903379435840.

The previous prime is 546638424836639. The next prime is 546638424836663.

546638424836645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546638424836645 - 2⁴⁰ = 545538913208869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 678625280 + ... + 679430310.

It is an arithmetic number, because the mean of its divisors is an integer number (21598203528000).

Almost surely, 2^{546638424836645} is an apocalyptic number.

It is an amenable number.

546638424836645 is a deficient number, since it is larger than the sum of its proper divisors (144504088059355).

546638424836645 is a wasteful number, since it uses less digits than its factorization.

546638424836645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811793.

The product of its digits is 9555148800, while the sum is 74.

The spelling of 546638424836645 in words is "five hundred forty-six trillion, six hundred thirty-eight billion, four hundred twenty-four million, eight hundred thirty-six thousand, six hundred forty-five".