955949551 has 2 divisors, whose sum is σ = 955949552. Its totient is φ = 955949550.

The previous prime is 955949549. The next prime is 955949587. The reversal of 955949551 is 155949559.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 955949551 - 2¹ = 955949549 is a prime.

Together with 955949549, 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 (955949251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477974775 + 477974776.

It is an arithmetic number, because the mean of its divisors is an integer number (477974776).

Almost surely, 2^955949551 is an apocalyptic number.

955949551 is a deficient number, since it is larger than the sum of its proper divisors (1).

955949551 is an equidigital number, since it uses as much as digits as its factorization.

955949551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1822500, while the sum is 52.

The square root of 955949551 is about 30918.4338380844. The cubic root of 955949551 is about 985.0954758132.

The spelling of 955949551 in words is "nine hundred fifty-five million, nine hundred forty-nine thousand, five hundred fifty-one".