34443549021 has 12 divisors (see below), whose sum is σ = 52486704032. Its totient is φ = 19681542024.

The previous prime is 34443549017. The next prime is 34443549061. The reversal of 34443549021 is 12094534443.

It is a happy number.

It is not a de Polignac number, because 34443549021 - 2² = 34443549017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34443549061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 830230 + ... + 870728.

Almost surely, 2^34443549021 is an apocalyptic number.

It is an amenable number.

34443549021 is a deficient number, since it is larger than the sum of its proper divisors (18043155011).

34443549021 is an frugal number, since it uses more digits than its factorization.

34443549021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81008 (or 40509 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 34443549021 in words is "thirty-four billion, four hundred forty-three million, five hundred forty-nine thousand, twenty-one".