347549936813 has 2 divisors, whose sum is σ = 347549936814. Its totient is φ = 347549936812.

The previous prime is 347549936801. The next prime is 347549936873. The reversal of 347549936813 is 318639945743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194765107684 + 152784829129 = 441322^2 + 390877^2 .

It is a cyclic number.

It is not a de Polignac number, because 347549936813 - 2²⁰ = 347548888237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347549936873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173774968406 + 173774968407.

It is an arithmetic number, because the mean of its divisors is an integer number (173774968407).

Almost surely, 2^347549936813 is an apocalyptic number.

It is an amenable number.

347549936813 is a deficient number, since it is larger than the sum of its proper divisors (1).

347549936813 is an equidigital number, since it uses as much as digits as its factorization.

347549936813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58786560, while the sum is 62.

The spelling of 347549936813 in words is "three hundred forty-seven billion, five hundred forty-nine million, nine hundred thirty-six thousand, eight hundred thirteen".