34220621549 has 4 divisors (see below), whose sum is σ = 34450290300. Its totient is φ = 33990952800.

The previous prime is 34220621521. The next prime is 34220621569. The reversal of 34220621549 is 94512602243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94512602243 = 154523 ⋅611641.

It can be written as a sum of positive squares in 2 ways, for example, as 22067102500 + 12153519049 = 148550^2 + 110243^2 .

It is not a de Polignac number, because 34220621549 - 2⁸ = 34220621293 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 (34220621509) 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, 114834152 + ... + 114834449.

It is an arithmetic number, because the mean of its divisors is an integer number (8612572575).

Almost surely, 2^34220621549 is an apocalyptic number.

It is an amenable number.

34220621549 is a deficient number, since it is larger than the sum of its proper divisors (229668751).

34220621549 is a wasteful number, since it uses less digits than its factorization.

34220621549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229668750.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 34220621549 in words is "thirty-four billion, two hundred twenty million, six hundred twenty-one thousand, five hundred forty-nine".