499294681361 has 16 divisors (see below), whose sum is σ = 595465344768. Its totient is φ = 409336804800.

The previous prime is 499294681321. The next prime is 499294681367. The reversal of 499294681361 is 163186492994.

It is not a de Polignac number, because 499294681361 - 2⁶ = 499294681297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499294681294 and 499294681303.

It is not an unprimeable number, because it can be changed into a prime (499294681367) 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 15 ways as a sum of consecutive naturals, for example, 3198671 + ... + 3351131.

It is an arithmetic number, because the mean of its divisors is an integer number (37216584048).

Almost surely, 2^499294681361 is an apocalyptic number.

It is an amenable number.

499294681361 is a deficient number, since it is larger than the sum of its proper divisors (96170663407).

499294681361 is a wasteful number, since it uses less digits than its factorization.

499294681361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172832.

The product of its digits is 20155392, while the sum is 62.

The spelling of 499294681361 in words is "four hundred ninety-nine billion, two hundred ninety-four million, six hundred eighty-one thousand, three hundred sixty-one".