34896505661 has 6 divisors (see below), whose sum is σ = 36058513086. Its totient is φ = 33770811000.

The previous prime is 34896505639. The next prime is 34896505673. The reversal of 34896505661 is 16650569843.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34896481636 + 24025 = 186806^2 + 155^2 .

It is not a de Polignac number, because 34896505661 - 2⁶ = 34896505597 is a prime.

It is a super-2 number, since 2×34896505661² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34896505561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18155390 + ... + 18157311.

It is an arithmetic number, because the mean of its divisors is an integer number (6009752181).

Almost surely, 2^34896505661 is an apocalyptic number.

34896505661 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34896505661 is a deficient number, since it is larger than the sum of its proper divisors (1162007425).

34896505661 is an equidigital number, since it uses as much as digits as its factorization.

34896505661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36312763 (or 36312732 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 34896505661 in words is "thirty-four billion, eight hundred ninety-six million, five hundred five thousand, six hundred sixty-one".