6581009669973 has 8 divisors (see below), whose sum is σ = 8978741875488. Its totient is φ = 4285308622224.

The previous prime is 6581009669963. The next prime is 6581009669987. The reversal of 6581009669973 is 3799669001856.

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

It is not a de Polignac number, because 6581009669973 - 2⁴ = 6581009669957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6581009669898 and 6581009669907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6581009669953) 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, 25507789290 + ... + 25507789547.

It is an arithmetic number, because the mean of its divisors is an integer number (1122342734436).

Almost surely, 2^{6581009669973} is an apocalyptic number.

It is an amenable number.

6581009669973 is a deficient number, since it is larger than the sum of its proper divisors (2397732205515).

6581009669973 is a wasteful number, since it uses less digits than its factorization.

6581009669973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51015578883.

The product of its (nonzero) digits is 132269760, while the sum is 69.

The spelling of 6581009669973 in words is "six trillion, five hundred eighty-one billion, nine million, six hundred sixty-nine thousand, nine hundred seventy-three".