290416498889 has 4 divisors (see below), whose sum is σ = 316817998800. Its totient is φ = 264014998980.

The previous prime is 290416498859. The next prime is 290416498927. The reversal of 290416498889 is 988894614092.

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 290416498889 - 2²⁰ = 290415450313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290416498849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13200749939 + ... + 13200749960.

It is an arithmetic number, because the mean of its divisors is an integer number (79204499700).

Almost surely, 2^290416498889 is an apocalyptic number.

It is an amenable number.

290416498889 is a deficient number, since it is larger than the sum of its proper divisors (26401499911).

290416498889 is a wasteful number, since it uses less digits than its factorization.

290416498889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26401499910.

The product of its (nonzero) digits is 71663616, while the sum is 68.

The spelling of 290416498889 in words is "two hundred ninety billion, four hundred sixteen million, four hundred ninety-eight thousand, eight hundred eighty-nine".