6973889361247 has 4 divisors (see below), whose sum is σ = 6973895920680. Its totient is φ = 6973882801816.

The previous prime is 6973889361211. The next prime is 6973889361289. The reversal of 6973889361247 is 7421639883796.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6973889361247 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 6973889361247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6973889341247) 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, 1277497 + ... + 3947122.

It is an arithmetic number, because the mean of its divisors is an integer number (1743473980170).

Almost surely, 2^{6973889361247} is an apocalyptic number.

6973889361247 is a deficient number, since it is larger than the sum of its proper divisors (6559433).

6973889361247 is a wasteful number, since it uses less digits than its factorization.

6973889361247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559432.

The product of its digits is 658409472, while the sum is 73.

The spelling of 6973889361247 in words is "six trillion, nine hundred seventy-three billion, eight hundred eighty-nine million, three hundred sixty-one thousand, two hundred forty-seven".