490609201906 has 8 divisors (see below), whose sum is σ = 779202850140. Its totient is φ = 230874918528.

The previous prime is 490609201871. The next prime is 490609201919. The reversal of 490609201906 is 609102906094.

It can be written as a sum of positive squares in 2 ways, for example, as 430408163025 + 60201038881 = 656055^2 + 245359^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7214841171 + ... + 7214841238.

Almost surely, 2^490609201906 is an apocalyptic number.

490609201906 is a deficient number, since it is larger than the sum of its proper divisors (288593648234).

490609201906 is a wasteful number, since it uses less digits than its factorization.

490609201906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14429682428.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 490609201906 in words is "four hundred ninety billion, six hundred nine million, two hundred one thousand, nine hundred six".