34640566369 has 16 divisors (see below), whose sum is σ = 35532177408. Its totient is φ = 33755741712.

The previous prime is 34640566339. The next prime is 34640566379. The reversal of 34640566369 is 96366504643.

It is a cyclic number.

It is not a de Polignac number, because 34640566369 - 2¹⁹ = 34640042081 is a prime.

It is a super-2 number, since 2×34640566369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34640566339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13085404 + ... + 13088050.

It is an arithmetic number, because the mean of its divisors is an integer number (2220761088).

Almost surely, 2^34640566369 is an apocalyptic number.

It is an amenable number.

34640566369 is a deficient number, since it is larger than the sum of its proper divisors (891611039).

34640566369 is a wasteful number, since it uses less digits than its factorization.

34640566369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804.

The product of its (nonzero) digits is 8398080, while the sum is 52.

The spelling of 34640566369 in words is "thirty-four billion, six hundred forty million, five hundred sixty-six thousand, three hundred sixty-nine".