6671148451213 has 8 divisors (see below), whose sum is σ = 6713774949528. Its totient is φ = 6628523663424.

The previous prime is 6671148451151. The next prime is 6671148451217. The reversal of 6671148451213 is 3121548411766.

It can be written as a sum of positive squares in 4 ways, for example, as 426457323369 + 6244691127844 = 653037^2 + 2498938^2 .

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 6671148451213 - 2¹⁷ = 6671148320141 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 (6671148451217) 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, 7915695 + ... + 8717827.

It is an arithmetic number, because the mean of its divisors is an integer number (839221868691).

Almost surely, 2^{6671148451213} is an apocalyptic number.

It is an amenable number.

6671148451213 is a deficient number, since it is larger than the sum of its proper divisors (42626498315).

6671148451213 is a wasteful number, since it uses less digits than its factorization.

6671148451213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855263.

The product of its digits is 967680, while the sum is 49.

The spelling of 6671148451213 in words is "six trillion, six hundred seventy-one billion, one hundred forty-eight million, four hundred fifty-one thousand, two hundred thirteen".