34720484581 has 4 divisors (see below), whose sum is σ = 35917742700. Its totient is φ = 33523226464.

The previous prime is 34720484573. The next prime is 34720484611. The reversal of 34720484581 is 18548402743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21875889025 + 12844595556 = 147905^2 + 113334^2 .

It is a cyclic number.

It is not a de Polignac number, because 34720484581 - 2³ = 34720484573 is a prime.

It is a super-2 number, since 2×34720484581² (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 (34720484881) 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 3 ways as a sum of consecutive naturals, for example, 598629016 + ... + 598629073.

It is an arithmetic number, because the mean of its divisors is an integer number (8979435675).

Almost surely, 2^34720484581 is an apocalyptic number.

It is an amenable number.

34720484581 is a deficient number, since it is larger than the sum of its proper divisors (1197258119).

34720484581 is a wasteful number, since it uses less digits than its factorization.

34720484581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197258118.

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 34720484581 in words is "thirty-four billion, seven hundred twenty million, four hundred eighty-four thousand, five hundred eighty-one".