34436408581 has 8 divisors (see below), whose sum is σ = 36663530904. Its totient is φ = 32231669760.

The previous prime is 34436408561. The next prime is 34436408593. The reversal of 34436408581 is 18580463443.

It can be written as a sum of positive squares in 4 ways, for example, as 2443720356 + 31992688225 = 49434^2 + 178865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34436408581 - 2⁷ = 34436408453 is a prime.

It is a super-2 number, since 2×34436408581² (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 (34436408551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5592700 + ... + 5598853.

It is an arithmetic number, because the mean of its divisors is an integer number (4582941363).

Almost surely, 2^34436408581 is an apocalyptic number.

It is an amenable number.

34436408581 is a deficient number, since it is larger than the sum of its proper divisors (2227122323).

34436408581 is a wasteful number, since it uses less digits than its factorization.

34436408581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191751.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 34436408581 in words is "thirty-four billion, four hundred thirty-six million, four hundred eight thousand, five hundred eighty-one".