34531445621 has 8 divisors (see below), whose sum is σ = 35396258688. Its totient is φ = 33667708000.

The previous prime is 34531445603. The next prime is 34531445647. The reversal of 34531445621 is 12654413543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34531445621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34531445521) 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, 203645 + ... + 332466.

It is an arithmetic number, because the mean of its divisors is an integer number (4424532336).

Almost surely, 2^34531445621 is an apocalyptic number.

It is an amenable number.

34531445621 is a deficient number, since it is larger than the sum of its proper divisors (864813067).

34531445621 is a wasteful number, since it uses less digits than its factorization.

34531445621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537723.

The product of its digits is 172800, while the sum is 38.

The spelling of 34531445621 in words is "thirty-four billion, five hundred thirty-one million, four hundred forty-five thousand, six hundred twenty-one".