499172379 has 8 divisors (see below), whose sum is σ = 672425040. Its totient is φ = 329350656.

The previous prime is 499172369. The next prime is 499172407. The reversal of 499172379 is 973271994.

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

It is not a de Polignac number, because 499172379 - 2⁴ = 499172363 is a prime.

It is a super-3 number, since 3×499172379³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (499172329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857394 + ... + 857975.

It is an arithmetic number, because the mean of its divisors is an integer number (84053130).

Almost surely, 2^499172379 is an apocalyptic number.

499172379 is a deficient number, since it is larger than the sum of its proper divisors (173252661).

499172379 is a wasteful number, since it uses less digits than its factorization.

499172379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715469.

The product of its digits is 857304, while the sum is 51.

The square root of 499172379 is about 22342.1659424506. The cubic root of 499172379 is about 793.2623619906.

The spelling of 499172379 in words is "four hundred ninety-nine million, one hundred seventy-two thousand, three hundred seventy-nine".