3548450861 has 2 divisors, whose sum is σ = 3548450862. Its totient is φ = 3548450860.

The previous prime is 3548450839. The next prime is 3548450897. The reversal of 3548450861 is 1680548453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3228398761 + 320052100 = 56819^2 + 17890^2 .

It is a cyclic number.

It is not a de Polignac number, because 3548450861 - 2¹⁸ = 3548188717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3548450161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774225430 + 1774225431.

It is an arithmetic number, because the mean of its divisors is an integer number (1774225431).

Almost surely, 2^3548450861 is an apocalyptic number.

It is an amenable number.

3548450861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3548450861 is an equidigital number, since it uses as much as digits as its factorization.

3548450861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 44.

The square root of 3548450861 is about 59568.8749348181. The cubic root of 3548450861 is about 1525.2683732287.

The spelling of 3548450861 in words is "three billion, five hundred forty-eight million, four hundred fifty thousand, eight hundred sixty-one".