290328045541 has 2 divisors, whose sum is σ = 290328045542. Its totient is φ = 290328045540.

The previous prime is 290328045517. The next prime is 290328045587. The reversal of 290328045541 is 145540823092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200475585025 + 89852460516 = 447745^2 + 299754^2 .

It is a cyclic number.

It is not a de Polignac number, because 290328045541 - 2¹⁵ = 290328012773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290328045041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145164022770 + 145164022771.

It is an arithmetic number, because the mean of its divisors is an integer number (145164022771).

Almost surely, 2^290328045541 is an apocalyptic number.

It is an amenable number.

290328045541 is a deficient number, since it is larger than the sum of its proper divisors (1).

290328045541 is an equidigital number, since it uses as much as digits as its factorization.

290328045541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 290328045541 in words is "two hundred ninety billion, three hundred twenty-eight million, forty-five thousand, five hundred forty-one".