490696816786 has 16 divisors (see below), whose sum is σ = 803004964128. Its totient is φ = 223031080800.

The previous prime is 490696816783. The next prime is 490696816793. The reversal of 490696816786 is 687618696094.

It is not an unprimeable number, because it can be changed into a prime (490696816783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252795 + ... + 1022398.

It is an arithmetic number, because the mean of its divisors is an integer number (50187810258).

Almost surely, 2^490696816786 is an apocalyptic number.

490696816786 is a deficient number, since it is larger than the sum of its proper divisors (312308147342).

490696816786 is a wasteful number, since it uses less digits than its factorization.

490696816786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292697.

The product of its (nonzero) digits is 188116992, while the sum is 70.

The spelling of 490696816786 in words is "four hundred ninety billion, six hundred ninety-six million, eight hundred sixteen thousand, seven hundred eighty-six".