499017197197 has 4 divisors (see below), whose sum is σ = 501158902140. Its totient is φ = 496875492256.

The previous prime is 499017197167. The next prime is 499017197207. The reversal of 499017197197 is 791791710994.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 198429266116 + 300587931081 = 445454^2 + 548259^2 .

It is a cyclic number.

It is not a de Polignac number, because 499017197197 - 2³⁵ = 464657458829 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 (499017197167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070852122 + ... + 1070852587.

It is an arithmetic number, because the mean of its divisors is an integer number (125289725535).

Almost surely, 2^499017197197 is an apocalyptic number.

It is an amenable number.

499017197197 is a deficient number, since it is larger than the sum of its proper divisors (2141704943).

499017197197 is a wasteful number, since it uses less digits than its factorization.

499017197197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141704942.

The product of its (nonzero) digits is 9001692, while the sum is 64.

The spelling of 499017197197 in words is "four hundred ninety-nine billion, seventeen million, one hundred ninety-seven thousand, one hundred ninety-seven".