3490218658 has 8 divisors (see below), whose sum is σ = 5376823452. Its totient is φ = 1697944176.

The previous prime is 3490218647. The next prime is 3490218659. The reversal of 3490218658 is 8568120943.

It can be written as a sum of positive squares in 2 ways, for example, as 3481826049 + 8392609 = 59007^2 + 2897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3490218659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23582485 + ... + 23582632.

Almost surely, 2^3490218658 is an apocalyptic number.

3490218658 is a deficient number, since it is larger than the sum of its proper divisors (1886604794).

3490218658 is a wasteful number, since it uses less digits than its factorization.

3490218658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47165156.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 3490218658 is about 59078.0725650389. The cubic root of 3490218658 is about 1516.8787894000.

The spelling of 3490218658 in words is "three billion, four hundred ninety million, two hundred eighteen thousand, six hundred fifty-eight".