499198477 has 4 divisors (see below), whose sum is σ = 499254336. Its totient is φ = 499142620.

The previous prime is 499198451. The next prime is 499198499. The reversal of 499198477 is 774891994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499198477 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 (499198277) 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 3 ways as a sum of consecutive naturals, for example, 11173 + ... + 33514.

It is an arithmetic number, because the mean of its divisors is an integer number (124813584).

Almost surely, 2^499198477 is an apocalyptic number.

It is an amenable number.

499198477 is a deficient number, since it is larger than the sum of its proper divisors (55859).

499198477 is a wasteful number, since it uses less digits than its factorization.

499198477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55858.

The product of its digits is 4572288, while the sum is 58.

The square root of 499198477 is about 22342.7499874120. The cubic root of 499198477 is about 793.2761863401.

The spelling of 499198477 in words is "four hundred ninety-nine million, one hundred ninety-eight thousand, four hundred seventy-seven".