8419213857 has 8 divisors (see below), whose sum is σ = 11227147776. Its totient is φ = 5612044592.

The previous prime is 8419213849. The next prime is 8419213879. The reversal of 8419213857 is 7583129148.

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

It is a cyclic number.

It is not a de Polignac number, because 8419213857 - 2³ = 8419213849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8419213837) 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, 164958 + ... + 209879.

It is an arithmetic number, because the mean of its divisors is an integer number (1403393472).

Almost surely, 2^8419213857 is an apocalyptic number.

It is an amenable number.

8419213857 is a deficient number, since it is larger than the sum of its proper divisors (2807933919).

8419213857 is a wasteful number, since it uses less digits than its factorization.

8419213857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382327.

The product of its digits is 483840, while the sum is 48.

The square root of 8419213857 is about 91756.2742105410. The cubic root of 8419213857 is about 2034.3414456338.

The spelling of 8419213857 in words is "eight billion, four hundred nineteen million, two hundred thirteen thousand, eight hundred fifty-seven".