3471881911109 has 2 divisors, whose sum is σ = 3471881911110. Its totient is φ = 3471881911108.

The previous prime is 3471881911073. The next prime is 3471881911153. The reversal of 3471881911109 is 9011191881743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3410012810884 + 61869100225 = 1846622^2 + 248735^2 .

It is a cyclic number.

It is not a de Polignac number, because 3471881911109 - 2⁴⁰ = 2372370283333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3471881911009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1735940955554 + 1735940955555.

It is an arithmetic number, because the mean of its divisors is an integer number (1735940955555).

Almost surely, 2^{3471881911109} is an apocalyptic number.

It is an amenable number.

3471881911109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3471881911109 is an equidigital number, since it uses as much as digits as its factorization.

3471881911109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 53.

The spelling of 3471881911109 in words is "three trillion, four hundred seventy-one billion, eight hundred eighty-one million, nine hundred eleven thousand, one hundred nine".