549461940029 has 2 divisors, whose sum is σ = 549461940030. Its totient is φ = 549461940028.

The previous prime is 549461939977. The next prime is 549461940031. The reversal of 549461940029 is 920049164945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303567940900 + 245893999129 = 550970^2 + 495877^2 .

It is a cyclic number.

It is not a de Polignac number, because 549461940029 - 2⁸ = 549461939773 is a prime.

Together with 549461940031, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549461940059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274730970014 + 274730970015.

It is an arithmetic number, because the mean of its divisors is an integer number (274730970015).

Almost surely, 2^549461940029 is an apocalyptic number.

It is an amenable number.

549461940029 is a deficient number, since it is larger than the sum of its proper divisors (1).

549461940029 is an equidigital number, since it uses as much as digits as its factorization.

549461940029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 549461940029 in words is "five hundred forty-nine billion, four hundred sixty-one million, nine hundred forty thousand, twenty-nine".