3408698309 has 12 divisors (see below), whose sum is σ = 3570037380. Its totient is φ = 3254106240.

The previous prime is 3408698291. The next prime is 3408698323. The reversal of 3408698309 is 9038968043.

It can be written as a sum of positive squares in 6 ways, for example, as 511890625 + 2896807684 = 22625^2 + 53822^2 .

It is not a de Polignac number, because 3408698309 - 2⁸ = 3408698053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3408698369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52079 + ... + 97619.

It is an arithmetic number, because the mean of its divisors is an integer number (297503115).

Almost surely, 2^3408698309 is an apocalyptic number.

It is an amenable number.

3408698309 is a deficient number, since it is larger than the sum of its proper divisors (161339071).

3408698309 is an equidigital number, since it uses as much as digits as its factorization.

3408698309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45688 (or 45659 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 3408698309 is about 58384.0586889949. The cubic root of 3408698309 is about 1504.9758179799.

The spelling of 3408698309 in words is "three billion, four hundred eight million, six hundred ninety-eight thousand, three hundred nine".