3500445541 has 2 divisors, whose sum is σ = 3500445542. Its totient is φ = 3500445540.

The previous prime is 3500445539. The next prime is 3500445581. The reversal of 3500445541 is 1455440053.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3495292641 + 5152900 = 59121^2 + 2270^2 .

It is a cyclic number.

It is not a de Polignac number, because 3500445541 - 2¹ = 3500445539 is a prime.

Together with 3500445539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3500445521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1750222770 + 1750222771.

It is an arithmetic number, because the mean of its divisors is an integer number (1750222771).

Almost surely, 2^3500445541 is an apocalyptic number.

It is an amenable number.

3500445541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3500445541 is an equidigital number, since it uses as much as digits as its factorization.

3500445541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 3500445541 is about 59164.5632198870. The cubic root of 3500445541 is about 1518.3589081989.

Adding to 3500445541 its reverse (1455440053), we get a palindrome (4955885594).

The spelling of 3500445541 in words is "three billion, five hundred million, four hundred forty-five thousand, five hundred forty-one".