6771538021073 has 4 divisors (see below), whose sum is σ = 7738900595520. Its totient is φ = 5804175446628.

The previous prime is 6771538021063. The next prime is 6771538021081. The reversal of 6771538021073 is 3701208351776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6771538021073 - 2¹⁸ = 6771537758929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6771538021063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483681287213 + ... + 483681287226.

It is an arithmetic number, because the mean of its divisors is an integer number (1934725148880).

Almost surely, 2^{6771538021073} is an apocalyptic number.

It is an amenable number.

6771538021073 is a deficient number, since it is larger than the sum of its proper divisors (967362574447).

6771538021073 is an equidigital number, since it uses as much as digits as its factorization.

6771538021073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967362574446.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 6771538021073 in words is "six trillion, seven hundred seventy-one billion, five hundred thirty-eight million, twenty-one thousand, seventy-three".