34553440981 has 2 divisors, whose sum is σ = 34553440982. Its totient is φ = 34553440980.

The previous prime is 34553440979. The next prime is 34553441017. The reversal of 34553440981 is 18904435543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33580562500 + 972878481 = 183250^2 + 31191^2 .

It is a cyclic number.

It is not a de Polignac number, because 34553440981 - 2¹ = 34553440979 is a prime.

It is a super-2 number, since 2×34553440981² (a number of 22 digits) contains 22 as substring.

Together with 34553440979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34553440921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17276720490 + 17276720491.

It is an arithmetic number, because the mean of its divisors is an integer number (17276720491).

Almost surely, 2^34553440981 is an apocalyptic number.

It is an amenable number.

34553440981 is a deficient number, since it is larger than the sum of its proper divisors (1).

34553440981 is an equidigital number, since it uses as much as digits as its factorization.

34553440981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 34553440981 in words is "thirty-four billion, five hundred fifty-three million, four hundred forty thousand, nine hundred eighty-one".