34850840521 has 4 divisors (see below), whose sum is σ = 39829532032. Its totient is φ = 29872149012.

The previous prime is 34850840503. The next prime is 34850840561. The reversal of 34850840521 is 12504805843.

34850840521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 34850840521 - 2²³ = 34842451913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34850840501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489345745 + ... + 2489345758.

It is an arithmetic number, because the mean of its divisors is an integer number (9957383008).

Almost surely, 2^34850840521 is an apocalyptic number.

It is an amenable number.

34850840521 is a deficient number, since it is larger than the sum of its proper divisors (4978691511).

34850840521 is an equidigital number, since it uses as much as digits as its factorization.

34850840521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978691510.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 34850840521 in words is "thirty-four billion, eight hundred fifty million, eight hundred forty thousand, five hundred twenty-one".