6673312742591 has 4 divisors (see below), whose sum is σ = 7279977537384. Its totient is φ = 6066647947800.

The previous prime is 6673312742581. The next prime is 6673312742617. The reversal of 6673312742591 is 1952472133766.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6673312742591 - 2²⁶ = 6673245633727 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 (6673312742521) 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, 303332397380 + ... + 303332397401.

It is an arithmetic number, because the mean of its divisors is an integer number (1819994384346).

Almost surely, 2^{6673312742591} is an apocalyptic number.

6673312742591 is a deficient number, since it is larger than the sum of its proper divisors (606664794793).

6673312742591 is a wasteful number, since it uses less digits than its factorization.

6673312742591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606664794792.

The product of its digits is 11430720, while the sum is 56.

The spelling of 6673312742591 in words is "six trillion, six hundred seventy-three billion, three hundred twelve million, seven hundred forty-two thousand, five hundred ninety-one".