34531529860821 has 128 divisors (see below), whose sum is σ = 56091554611200. Its totient is φ = 18477750170880.

The previous prime is 34531529860813. The next prime is 34531529860859. The reversal of 34531529860821 is 12806892513543.

It is not a de Polignac number, because 34531529860821 - 2³ = 34531529860813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34531529860811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4945081696 + ... + 4945088678.

It is an arithmetic number, because the mean of its divisors is an integer number (438215270400).

Almost surely, 2^{34531529860821} is an apocalyptic number.

34531529860821 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34531529860821 is a deficient number, since it is larger than the sum of its proper divisors (21560024750379).

34531529860821 is a wasteful number, since it uses less digits than its factorization.

34531529860821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159.

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 34531529860821 in words is "thirty-four trillion, five hundred thirty-one billion, five hundred twenty-nine million, eight hundred sixty thousand, eight hundred twenty-one".