34515883981 has 4 divisors (see below), whose sum is σ = 35002023264. Its totient is φ = 34029744700.

The previous prime is 34515883967. The next prime is 34515883999. The reversal of 34515883981 is 18938851543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34515883981 - 2²¹ = 34513786829 is a prime.

It is a super-2 number, since 2×34515883981² (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 (34515883901) 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 in 3 ways as a sum of consecutive naturals, for example, 243069535 + ... + 243069676.

It is an arithmetic number, because the mean of its divisors is an integer number (8750505816).

Almost surely, 2^34515883981 is an apocalyptic number.

It is an amenable number.

34515883981 is a deficient number, since it is larger than the sum of its proper divisors (486139283).

34515883981 is an equidigital number, since it uses as much as digits as its factorization.

34515883981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486139282.

The product of its digits is 4147200, while the sum is 55.

The spelling of 34515883981 in words is "thirty-four billion, five hundred fifteen million, eight hundred eighty-three thousand, nine hundred eighty-one".