67346051271047 has 4 divisors (see below), whose sum is σ = 68988637887456. Its totient is φ = 65703464654640.

The previous prime is 67346051270987. The next prime is 67346051271101. The reversal of 67346051271047 is 74017215064376.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 67346051271047 - 2²⁰ = 67346050222471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67346051271047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67346059271047) 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, 821293308143 + ... + 821293308224.

It is an arithmetic number, because the mean of its divisors is an integer number (17247159471864).

Almost surely, 2^{67346051271047} is an apocalyptic number.

67346051271047 is a deficient number, since it is larger than the sum of its proper divisors (1642586616409).

67346051271047 is a wasteful number, since it uses less digits than its factorization.

67346051271047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642586616408.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 67346051271047 in words is "sixty-seven trillion, three hundred forty-six billion, fifty-one million, two hundred seventy-one thousand, forty-seven".