347477108609 has 2 divisors, whose sum is σ = 347477108610. Its totient is φ = 347477108608.

The previous prime is 347477108603. The next prime is 347477108639. The reversal of 347477108609 is 906801774743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324991206400 + 22485902209 = 570080^2 + 149953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347477108609 is a prime.

It is not a weakly prime, because it can be changed into another prime (347477108603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173738554304 + 173738554305.

It is an arithmetic number, because the mean of its divisors is an integer number (173738554305).

Almost surely, 2^347477108609 is an apocalyptic number.

It is an amenable number.

347477108609 is a deficient number, since it is larger than the sum of its proper divisors (1).

347477108609 is an equidigital number, since it uses as much as digits as its factorization.

347477108609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 347477108609 in words is "three hundred forty-seven billion, four hundred seventy-seven million, one hundred eight thousand, six hundred nine".