34520689659 has 4 divisors (see below), whose sum is σ = 46027586216. Its totient is φ = 23013793104.

The previous prime is 34520689639. The next prime is 34520689663. The reversal of 34520689659 is 95698602543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95698602543 = 3 ⋅31899534181.

It is not a de Polignac number, because 34520689659 - 2¹⁷ = 34520558587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34520689599 and 34520689608.

It is not an unprimeable number, because it can be changed into a prime (34520689639) 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, 5753448274 + ... + 5753448279.

It is an arithmetic number, because the mean of its divisors is an integer number (11506896554).

Almost surely, 2^34520689659 is an apocalyptic number.

34520689659 is a deficient number, since it is larger than the sum of its proper divisors (11506896557).

34520689659 is a wasteful number, since it uses less digits than its factorization.

34520689659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11506896556.

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 34520689659 in words is "thirty-four billion, five hundred twenty million, six hundred eighty-nine thousand, six hundred fifty-nine".