955619549 has 2 divisors, whose sum is σ = 955619550. Its totient is φ = 955619548.

The previous prime is 955619537. The next prime is 955619551. The reversal of 955619549 is 945916559.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802305625 + 153313924 = 28325^2 + 12382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-955619549 is a prime.

Together with 955619551, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 955619549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (955619149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477809774 + 477809775.

It is an arithmetic number, because the mean of its divisors is an integer number (477809775).

Almost surely, 2^955619549 is an apocalyptic number.

It is an amenable number.

955619549 is a deficient number, since it is larger than the sum of its proper divisors (1).

955619549 is an equidigital number, since it uses as much as digits as its factorization.

955619549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2187000, while the sum is 53.

The square root of 955619549 is about 30913.0967229102. The cubic root of 955619549 is about 984.9821082924.

The spelling of 955619549 in words is "nine hundred fifty-five million, six hundred nineteen thousand, five hundred forty-nine".