34434451521 has 6 divisors (see below), whose sum is σ = 49738652210. Its totient is φ = 22956301008.

The previous prime is 34434451501. The next prime is 34434451543. The reversal of 34434451521 is 12515443443.

34434451521 is a `hidden beast` number, since 3 + 4 + 43 + 44 + 51 + 521 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32711786496 + 1722665025 = 180864^2 + 41505^2 .

It is not a de Polignac number, because 34434451521 - 2¹⁴ = 34434435137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34434451501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1913025076 + ... + 1913025093.

Almost surely, 2^34434451521 is an apocalyptic number.

It is an amenable number.

34434451521 is a deficient number, since it is larger than the sum of its proper divisors (15304200689).

34434451521 is a wasteful number, since it uses less digits than its factorization.

34434451521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826050175 (or 3826050172 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 34434451521 its reverse (12515443443), we get a palindrome (46949894964).

The spelling of 34434451521 in words is "thirty-four billion, four hundred thirty-four million, four hundred fifty-one thousand, five hundred twenty-one".