490851995041 has 8 divisors (see below), whose sum is σ = 500248828584. Its totient is φ = 481460179200.

The previous prime is 490851995021. The next prime is 490851995083. The reversal of 490851995041 is 140599158094.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39531380625 + 451320614416 = 198825^2 + 671804^2 .

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 490851995041 - 2⁵ = 490851995009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490851995021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056610 + ... + 1448491.

It is an arithmetic number, because the mean of its divisors is an integer number (62531103573).

Almost surely, 2^490851995041 is an apocalyptic number.

It is an amenable number.

490851995041 is a deficient number, since it is larger than the sum of its proper divisors (9396833543).

490851995041 is a wasteful number, since it uses less digits than its factorization.

490851995041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508851.

The product of its (nonzero) digits is 2332800, while the sum is 55.

The spelling of 490851995041 in words is "four hundred ninety billion, eight hundred fifty-one million, nine hundred ninety-five thousand, forty-one".