290098590605 has 4 divisors (see below), whose sum is σ = 348118308732. Its totient is φ = 232078872480.

The previous prime is 290098590601. The next prime is 290098590611. The reversal of 290098590605 is 506095890092.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 192192806404 + 97905784201 = 438398^2 + 312899^2 .

It is not a de Polignac number, because 290098590605 - 2² = 290098590601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290098590601) 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, 29009859056 + ... + 29009859065.

It is an arithmetic number, because the mean of its divisors is an integer number (87029577183).

Almost surely, 2^290098590605 is an apocalyptic number.

It is an amenable number.

290098590605 is a deficient number, since it is larger than the sum of its proper divisors (58019718127).

290098590605 is an equidigital number, since it uses as much as digits as its factorization.

290098590605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58019718126.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 290098590605 in words is "two hundred ninety billion, ninety-eight million, five hundred ninety thousand, six hundred five".