490772475317 has 4 divisors (see below), whose sum is σ = 490926470496. Its totient is φ = 490618480140.

The previous prime is 490772475299. The next prime is 490772475341. The reversal of 490772475317 is 713574277094.

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.

It is a cyclic number.

It is not a de Polignac number, because 490772475317 - 2¹² = 490772471221 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 (490772405317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76992809 + ... + 76999182.

It is an arithmetic number, because the mean of its divisors is an integer number (122731617624).

Almost surely, 2^490772475317 is an apocalyptic number.

It is an amenable number.

490772475317 is a deficient number, since it is larger than the sum of its proper divisors (153995179).

490772475317 is a wasteful number, since it uses less digits than its factorization.

490772475317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153995178.

The product of its (nonzero) digits is 10372320, while the sum is 56.

The spelling of 490772475317 in words is "four hundred ninety billion, seven hundred seventy-two million, four hundred seventy-five thousand, three hundred seventeen".