949961813 has 2 divisors, whose sum is σ = 949961814. Its totient is φ = 949961812.

The previous prime is 949961767. The next prime is 949961839. The reversal of 949961813 is 318169949.

949961813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 787195249 + 162766564 = 28057^2 + 12758^2 .

It is a cyclic number.

It is not a de Polignac number, because 949961813 - 2⁸ = 949961557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949961843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474980906 + 474980907.

It is an arithmetic number, because the mean of its divisors is an integer number (474980907).

Almost surely, 2^949961813 is an apocalyptic number.

It is an amenable number.

949961813 is a deficient number, since it is larger than the sum of its proper divisors (1).

949961813 is an equidigital number, since it uses as much as digits as its factorization.

949961813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 50.

The square root of 949961813 is about 30821.4505336787. The cubic root of 949961813 is about 983.0344005124.

The spelling of 949961813 in words is "nine hundred forty-nine million, nine hundred sixty-one thousand, eight hundred thirteen".