8419504429 has 6 divisors (see below), whose sum is σ = 9794117454. Its totient is φ = 7216718040.

The previous prime is 8419504411. The next prime is 8419504433. The reversal of 8419504429 is 9244059148.

It can be written as a sum of positive squares in only one way, i.e., 7068941929 + 1350562500 = 84077^2 + 36750^2 .

It is not a de Polignac number, because 8419504429 - 2¹⁷ = 8419373357 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 (8419504829) 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, 85913262 + ... + 85913359.

It is an arithmetic number, because the mean of its divisors is an integer number (1632352909).

Almost surely, 2^8419504429 is an apocalyptic number.

It is an amenable number.

8419504429 is a deficient number, since it is larger than the sum of its proper divisors (1374613025).

8419504429 is a wasteful number, since it uses less digits than its factorization.

8419504429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171826635 (or 171826628 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 8419504429 is about 91757.8575872388. The cubic root of 8419504429 is about 2034.3648490803.

The spelling of 8419504429 in words is "eight billion, four hundred nineteen million, five hundred four thousand, four hundred twenty-nine".