490009012667 has 4 divisors (see below), whose sum is σ = 490601527416. Its totient is φ = 489416497920.

The previous prime is 490009012643. The next prime is 490009012679. The reversal of 490009012667 is 766210900094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490009012667 - 2¹² = 490009008571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490009012607) 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, 296256134 + ... + 296257787.

It is an arithmetic number, because the mean of its divisors is an integer number (122650381854).

Almost surely, 2^490009012667 is an apocalyptic number.

490009012667 is a deficient number, since it is larger than the sum of its proper divisors (592514749).

490009012667 is an equidigital number, since it uses as much as digits as its factorization.

490009012667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592514748.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 490009012667 in words is "four hundred ninety billion, nine million, twelve thousand, six hundred sixty-seven".