490171883533 has 4 divisors (see below), whose sum is σ = 505983879808. Its totient is φ = 474359887260.

The previous prime is 490171883507. The next prime is 490171883549. The reversal of 490171883533 is 335388171094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 335388171094 = 2 ⋅167694085547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490171883533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490171583533) 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 3 ways as a sum of consecutive naturals, for example, 7905998091 + ... + 7905998152.

It is an arithmetic number, because the mean of its divisors is an integer number (126495969952).

Almost surely, 2^490171883533 is an apocalyptic number.

It is an amenable number.

490171883533 is a deficient number, since it is larger than the sum of its proper divisors (15811996275).

490171883533 is a wasteful number, since it uses less digits than its factorization.

490171883533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15811996274.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 490171883533 in words is "four hundred ninety billion, one hundred seventy-one million, eight hundred eighty-three thousand, five hundred thirty-three".