499421017201 has 4 divisors (see below), whose sum is σ = 500835807972. Its totient is φ = 498006226432.

The previous prime is 499421017189. The next prime is 499421017217. The reversal of 499421017201 is 102710124994.

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 128812799025 + 370608218176 = 358905^2 + 608776^2 .

It is a cyclic number.

It is not a de Polignac number, because 499421017201 - 2¹⁹ = 499420492913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499421027201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707394856 + ... + 707395561.

It is an arithmetic number, because the mean of its divisors is an integer number (125208951993).

Almost surely, 2^499421017201 is an apocalyptic number.

It is an amenable number.

499421017201 is a deficient number, since it is larger than the sum of its proper divisors (1414790771).

499421017201 is a wasteful number, since it uses less digits than its factorization.

499421017201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414790770.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 499421017201 in words is "four hundred ninety-nine billion, four hundred twenty-one million, seventeen thousand, two hundred one".