8489635420290 has 16 divisors (see below), whose sum is σ = 20375125008768. Its totient is φ = 2263902778736.

The previous prime is 8489635420219. The next prime is 8489635420303. The reversal of 8489635420290 is 920245369848.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 141493923642 + ... + 141493923701.

It is an arithmetic number, because the mean of its divisors is an integer number (1273445313048).

Almost surely, 2^{8489635420290} is an apocalyptic number.

8489635420290 is an abundant number, since it is smaller than the sum of its proper divisors (11885489588478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8489635420290 is a wasteful number, since it uses less digits than its factorization.

8489635420290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282987847353.

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 8489635420290 in words is "eight trillion, four hundred eighty-nine billion, six hundred thirty-five million, four hundred twenty thousand, two hundred ninety".