499890225101 has 8 divisors (see below), whose sum is σ = 519752839320. Its totient is φ = 480202612288.

The previous prime is 499890225073. The next prime is 499890225157. The reversal of 499890225101 is 101522098994.

It can be written as a sum of positive squares in 4 ways, for example, as 122464302601 + 377425922500 = 349949^2 + 614350^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499890225101 - 2¹⁰ = 499890224077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 499890225101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499890225301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43744526 + ... + 43755951.

It is an arithmetic number, because the mean of its divisors is an integer number (64969104915).

Almost surely, 2^499890225101 is an apocalyptic number.

It is an amenable number.

499890225101 is a deficient number, since it is larger than the sum of its proper divisors (19862614219).

499890225101 is a wasteful number, since it uses less digits than its factorization.

499890225101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87500703.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 499890225101 in words is "four hundred ninety-nine billion, eight hundred ninety million, two hundred twenty-five thousand, one hundred one".