290738124109 has 2 divisors, whose sum is σ = 290738124110. Its totient is φ = 290738124108.

The previous prime is 290738124041. The next prime is 290738124113. The reversal of 290738124109 is 901421837092.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263446092900 + 27292031209 = 513270^2 + 165203^2 .

It is a cyclic number.

It is not a de Polignac number, because 290738124109 - 2¹⁵ = 290738091341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290738124169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145369062054 + 145369062055.

It is an arithmetic number, because the mean of its divisors is an integer number (145369062055).

Almost surely, 2^290738124109 is an apocalyptic number.

It is an amenable number.

290738124109 is a deficient number, since it is larger than the sum of its proper divisors (1).

290738124109 is an equidigital number, since it uses as much as digits as its factorization.

290738124109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 290738124109 in words is "two hundred ninety billion, seven hundred thirty-eight million, one hundred twenty-four thousand, one hundred nine".