547494685921 has 8 divisors (see below), whose sum is σ = 547785288000. Its totient is φ = 547204148400.

The previous prime is 547494685919. The next prime is 547494685973. The reversal of 547494685921 is 129586494745.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 547494685921 - 2¹ = 547494685919 is a prime.

It is a super-2 number, since 2×547494685921² (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 (547494685721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31545396 + ... + 31562746.

It is an arithmetic number, because the mean of its divisors is an integer number (68473161000).

Almost surely, 2^547494685921 is an apocalyptic number.

It is an amenable number.

547494685921 is a deficient number, since it is larger than the sum of its proper divisors (290602079).

547494685921 is a wasteful number, since it uses less digits than its factorization.

547494685921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32279.

The product of its digits is 87091200, while the sum is 64.

The spelling of 547494685921 in words is "five hundred forty-seven billion, four hundred ninety-four million, six hundred eighty-five thousand, nine hundred twenty-one".