290000146409 has 2 divisors, whose sum is σ = 290000146410. Its totient is φ = 290000146408.

The previous prime is 290000146399. The next prime is 290000146417. The reversal of 290000146409 is 904641000092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286864146409 + 3136000000 = 535597^2 + 56000^2 .

It is a cyclic number.

It is not a de Polignac number, because 290000146409 - 2²⁰ = 289999097833 is a prime.

It is not a weakly prime, because it can be changed into another prime (290000146439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145000073204 + 145000073205.

It is an arithmetic number, because the mean of its divisors is an integer number (145000073205).

Almost surely, 2^290000146409 is an apocalyptic number.

It is an amenable number.

290000146409 is a deficient number, since it is larger than the sum of its proper divisors (1).

290000146409 is an equidigital number, since it uses as much as digits as its factorization.

290000146409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 290000146409 in words is "two hundred ninety billion, one hundred forty-six thousand, four hundred nine".