347803882981 has 2 divisors, whose sum is σ = 347803882982. Its totient is φ = 347803882980.

The previous prime is 347803882973. The next prime is 347803883003. The reversal of 347803882981 is 189288308743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194714800225 + 153089082756 = 441265^2 + 391266^2 .

It is an emirp because it is prime and its reverse (189288308743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 347803882981 - 2³ = 347803882973 is a prime.

It is a super-2 number, since 2×347803882981² (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 (347803882081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173901941490 + 173901941491.

It is an arithmetic number, because the mean of its divisors is an integer number (173901941491).

Almost surely, 2^347803882981 is an apocalyptic number.

It is an amenable number.

347803882981 is a deficient number, since it is larger than the sum of its proper divisors (1).

347803882981 is an equidigital number, since it uses as much as digits as its factorization.

347803882981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 347803882981 in words is "three hundred forty-seven billion, eight hundred three million, eight hundred eighty-two thousand, nine hundred eighty-one".