499884706361 has 4 divisors (see below), whose sum is σ = 499897492212. Its totient is φ = 499871920512.

The previous prime is 499884706331. The next prime is 499884706439. The reversal of 499884706361 is 163607488994.

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 104833488400 + 395051217961 = 323780^2 + 628531^2 .

It is a cyclic number.

It is not a de Polignac number, because 499884706361 - 2²⁶ = 499817597497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499884706331) 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, 6334100 + ... + 6412533.

It is an arithmetic number, because the mean of its divisors is an integer number (124974373053).

Almost surely, 2^499884706361 is an apocalyptic number.

It is an amenable number.

499884706361 is a deficient number, since it is larger than the sum of its proper divisors (12785851).

499884706361 is a wasteful number, since it uses less digits than its factorization.

499884706361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785850.

The product of its (nonzero) digits is 62705664, while the sum is 65.

The spelling of 499884706361 in words is "four hundred ninety-nine billion, eight hundred eighty-four million, seven hundred six thousand, three hundred sixty-one".