16973479343 has 2 divisors, whose sum is σ = 16973479344. Its totient is φ = 16973479342.

The previous prime is 16973479309. The next prime is 16973479363. The reversal of 16973479343 is 34397437961.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34397437961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16973479343 - 2¹² = 16973475247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16973479363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8486739671 + 8486739672.

It is an arithmetic number, because the mean of its divisors is an integer number (8486739672).

Almost surely, 2^16973479343 is an apocalyptic number.

16973479343 is a deficient number, since it is larger than the sum of its proper divisors (1).

16973479343 is an equidigital number, since it uses as much as digits as its factorization.

16973479343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10287648, while the sum is 56.

The spelling of 16973479343 in words is "sixteen billion, nine hundred seventy-three million, four hundred seventy-nine thousand, three hundred forty-three".