3406519657 has 4 divisors (see below), whose sum is σ = 3413212740. Its totient is φ = 3399826576.

The previous prime is 3406519651. The next prime is 3406519667. The reversal of 3406519657 is 7569156043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3238065216 + 168454441 = 56904^2 + 12979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3406519657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3406519651) 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 3 ways as a sum of consecutive naturals, for example, 3345778 + ... + 3346795.

It is an arithmetic number, because the mean of its divisors is an integer number (853303185).

Almost surely, 2^3406519657 is an apocalyptic number.

It is an amenable number.

3406519657 is a deficient number, since it is larger than the sum of its proper divisors (6693083).

3406519657 is an equidigital number, since it uses as much as digits as its factorization.

3406519657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693082.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 3406519657 is about 58365.3977712823. The cubic root of 3406519657 is about 1504.6551171264.

The spelling of 3406519657 in words is "three billion, four hundred six million, five hundred nineteen thousand, six hundred fifty-seven".