347938335973 has 2 divisors, whose sum is σ = 347938335974. Its totient is φ = 347938335972.

The previous prime is 347938335923. The next prime is 347938335977. The reversal of 347938335973 is 379533839743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336467283364 + 11471052609 = 580058^2 + 107103^2 .

It is a cyclic number.

It is not a de Polignac number, because 347938335973 - 2⁹ = 347938335461 is a prime.

It is a super-2 number, since 2×347938335973² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347938335977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173969167986 + 173969167987.

It is an arithmetic number, because the mean of its divisors is an integer number (173969167987).

Almost surely, 2^347938335973 is an apocalyptic number.

It is an amenable number.

347938335973 is a deficient number, since it is larger than the sum of its proper divisors (1).

347938335973 is an equidigital number, since it uses as much as digits as its factorization.

347938335973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 154314720, while the sum is 64.

The spelling of 347938335973 in words is "three hundred forty-seven billion, nine hundred thirty-eight million, three hundred thirty-five thousand, nine hundred seventy-three".