3486784409 has 2 divisors, whose sum is σ = 3486784410.
Its totient is φ = 3486784408.
The previous prime is 3486784393. The next prime is 3486784447. The reversal of 3486784409 is 9044876843.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1759550809 + 1727233600 = 41947^2 + 41560^2
It is a cyclic number.
It is not a de Polignac number, because 3486784409 - 24 = 3486784393 is a prime.
It is not a weakly prime, because it can be changed into another prime (3486784309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743392204 + 1743392205.
It is an arithmetic number, because the mean of its divisors is an integer number (1743392205).
Almost surely, 23486784409 is an apocalyptic number.
It is an amenable number.
3486784409 is a deficient number, since it is larger than the sum of its proper divisors (1).
3486784409 is an equidigital number, since it uses as much as digits as its factorization.
3486784409 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4644864, while the sum is 53.
The square root of 3486784409 is about 59049.0000677404.
Note that the first 4 decimals coincide.
The cubic root of 3486784409 is about 1516.3811081646.
The spelling of 3486784409 in words is "three billion, four hundred eighty-six million, seven hundred eighty-four thousand, four hundred nine".