499791451 has 8 divisors (see below), whose sum is σ = 513463104. Its totient is φ = 486213000.

The previous prime is 499791443. The next prime is 499791491. The reversal of 499791451 is 154197994.

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 499791451 - 2³ = 499791443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499791395 and 499791404.

It is not an unprimeable number, because it can be changed into a prime (499791401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12361 + ... + 33946.

It is an arithmetic number, because the mean of its divisors is an integer number (64182888).

Almost surely, 2^499791451 is an apocalyptic number.

499791451 is a deficient number, since it is larger than the sum of its proper divisors (13671653).

499791451 is a wasteful number, since it uses less digits than its factorization.

499791451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46601.

The product of its digits is 408240, while the sum is 49.

The square root of 499791451 is about 22356.0159912271. The cubic root of 499791451 is about 793.5901603376.

The spelling of 499791451 in words is "four hundred ninety-nine million, seven hundred ninety-one thousand, four hundred fifty-one".