6712573149821 has 64 divisors (see below), whose sum is σ = 8792078100480. Its totient is φ = 4972291349760.

The previous prime is 6712573149811. The next prime is 6712573149827. The reversal of 6712573149821 is 1289413752176.

It is not a de Polignac number, because 6712573149821 - 2¹⁴ = 6712573133437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6712573149827) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38859575 + ... + 39031931.

It is an arithmetic number, because the mean of its divisors is an integer number (137376220320).

Almost surely, 2^{6712573149821} is an apocalyptic number.

It is an amenable number.

6712573149821 is a deficient number, since it is larger than the sum of its proper divisors (2079504950659).

6712573149821 is a wasteful number, since it uses less digits than its factorization.

6712573149821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172674.

The product of its digits is 5080320, while the sum is 56.

The spelling of 6712573149821 in words is "six trillion, seven hundred twelve billion, five hundred seventy-three million, one hundred forty-nine thousand, eight hundred twenty-one".