34463981981 has 16 divisors (see below), whose sum is σ = 40603913280. Its totient is φ = 28838853120.

The previous prime is 34463981963. The next prime is 34463982031. The reversal of 34463981981 is 18918936443.

It is not a de Polignac number, because 34463981981 - 2³⁰ = 33390240157 is a prime.

It is a super-2 number, since 2×34463981981² (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 (34465981981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290891 + ... + 391848.

It is an arithmetic number, because the mean of its divisors is an integer number (2537744580).

Almost surely, 2^34463981981 is an apocalyptic number.

It is an amenable number.

34463981981 is a deficient number, since it is larger than the sum of its proper divisors (6139931299).

34463981981 is a wasteful number, since it uses less digits than its factorization.

34463981981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683116.

The product of its digits is 4478976, while the sum is 56.

The spelling of 34463981981 in words is "thirty-four billion, four hundred sixty-three million, nine hundred eighty-one thousand, nine hundred eighty-one".