3469826386009 has 9 divisors (see below), whose sum is σ = 3627292408383. Its totient is φ = 3318923388792.

The previous prime is 3469826385997. The next prime is 3469826386021. The reversal of 3469826386009 is 9006836289643.

The square root of 3469826386009 is 1862747.

It is a perfect power (a square), and thus also a powerful number.

3469826386009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3469826385997) and next prime (3469826386021).

It can be written as a sum of positive squares in only one way, i.e., 3317304894409 + 152521491600 = 1821347^2 + 390540^2 .

It is not a de Polignac number, because 3469826386009 - 2²¹ = 3469824288857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3469826386069) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42802687 + ... + 42883675.

Almost surely, 2^{3469826386009} is an apocalyptic number.

3469826386009 is the 1862747-th square number.

3469826386009 is the 931374-th centered octagonal number.

It is an amenable number.

3469826386009 is a deficient number, since it is larger than the sum of its proper divisors (157466022374).

3469826386009 is an frugal number, since it uses more digits than its factorization.

3469826386009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162024 (or 81012 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 64.

Multiplying 3469826386009 by its sum of digits (64), we get a square (222068888704576 = 14901976²).

The spelling of 3469826386009 in words is "three trillion, four hundred sixty-nine billion, eight hundred twenty-six million, three hundred eighty-six thousand, nine".