34351346521 has 8 divisors (see below), whose sum is σ = 35012623464. Its totient is φ = 33696337920.

The previous prime is 34351346507. The next prime is 34351346551. The reversal of 34351346521 is 12564315343.

It can be written as a sum of positive squares in 4 ways, for example, as 1287015625 + 33064330896 = 35875^2 + 181836^2 .

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 34351346521 - 2²⁷ = 34217128793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34351346501) 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, 1556020 + ... + 1577941.

It is an arithmetic number, because the mean of its divisors is an integer number (4376577933).

Almost surely, 2^34351346521 is an apocalyptic number.

It is an amenable number.

34351346521 is a deficient number, since it is larger than the sum of its proper divisors (661276943).

34351346521 is a wasteful number, since it uses less digits than its factorization.

34351346521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134171.

The product of its digits is 129600, while the sum is 37.

The spelling of 34351346521 in words is "thirty-four billion, three hundred fifty-one million, three hundred forty-six thousand, five hundred twenty-one".