3498239909 has 2 divisors, whose sum is σ = 3498239910. Its totient is φ = 3498239908.

The previous prime is 3498239903. The next prime is 3498239933. The reversal of 3498239909 is 9099328943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3436538884 + 61701025 = 58622^2 + 7855^2 .

It is a cyclic number.

It is not a de Polignac number, because 3498239909 - 2⁸ = 3498239653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3498239903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749119954 + 1749119955.

It is an arithmetic number, because the mean of its divisors is an integer number (1749119955).

Almost surely, 2^3498239909 is an apocalyptic number.

It is an amenable number.

3498239909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3498239909 is an equidigital number, since it uses as much as digits as its factorization.

3498239909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 56.

The square root of 3498239909 is about 59145.9204763947. The cubic root of 3498239909 is about 1518.0399350290.

The spelling of 3498239909 in words is "three billion, four hundred ninety-eight million, two hundred thirty-nine thousand, nine hundred nine".