8449690479 has 8 divisors (see below), whose sum is σ = 11269574400. Its totient is φ = 5631466776.

The previous prime is 8449690441. The next prime is 8449690493. The reversal of 8449690479 is 9740969448.

It is a happy number.

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

It is not a de Polignac number, because 8449690479 - 2⁷ = 8449690351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449690439) 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, 403129 + ... + 423570.

It is an arithmetic number, because the mean of its divisors is an integer number (1408696800).

Almost surely, 2^8449690479 is an apocalyptic number.

8449690479 is a deficient number, since it is larger than the sum of its proper divisors (2819883921).

8449690479 is a wasteful number, since it uses less digits than its factorization.

8449690479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830109.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The square root of 8449690479 is about 91922.1979665412. The cubic root of 8449690479 is about 2036.7931865970.

The spelling of 8449690479 in words is "eight billion, four hundred forty-nine million, six hundred ninety thousand, four hundred seventy-nine".