347456772313 has 6 divisors (see below), whose sum is σ = 404184408666. Its totient is φ = 297820090512.

The previous prime is 347456772307. The next prime is 347456772361. The reversal of 347456772313 is 313277654743.

It can be written as a sum of positive squares in only one way, i.e., 308104925184 + 39351847129 = 555072^2 + 198373^2 .

It is not a de Polignac number, because 347456772313 - 2²⁵ = 347423217881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347456775313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3545477220 + ... + 3545477317.

It is an arithmetic number, because the mean of its divisors is an integer number (67364068111).

Almost surely, 2^347456772313 is an apocalyptic number.

It is an amenable number.

347456772313 is a deficient number, since it is larger than the sum of its proper divisors (56727636353).

347456772313 is an equidigital number, since it uses as much as digits as its factorization.

347456772313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090954551 (or 7090954544 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 52.

The spelling of 347456772313 in words is "three hundred forty-seven billion, four hundred fifty-six million, seven hundred seventy-two thousand, three hundred thirteen".