959803849 has 2 divisors, whose sum is σ = 959803850. Its totient is φ = 959803848.

The previous prime is 959803729. The next prime is 959803853. The reversal of 959803849 is 948308959.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616628224 + 343175625 = 24832^2 + 18525^2 .

It is a cyclic number.

It is not a de Polignac number, because 959803849 - 2⁷ = 959803721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 959803849.

It is not a weakly prime, because it can be changed into another prime (959003849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479901924 + 479901925.

It is an arithmetic number, because the mean of its divisors is an integer number (479901925).

Almost surely, 2^959803849 is an apocalyptic number.

It is an amenable number.

959803849 is a deficient number, since it is larger than the sum of its proper divisors (1).

959803849 is an equidigital number, since it uses as much as digits as its factorization.

959803849 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 55.

The square root of 959803849 is about 30980.7012348010. The cubic root of 959803849 is about 986.4176376606.

The spelling of 959803849 in words is "nine hundred fifty-nine million, eight hundred three thousand, eight hundred forty-nine".