954439813 has 2 divisors, whose sum is σ = 954439814. Its totient is φ = 954439812.

The previous prime is 954439807. The next prime is 954439831. The reversal of 954439813 is 318934459.

It is a happy number.

Together with next prime (954439831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 922154689 + 32285124 = 30367^2 + 5682^2 .

It is an emirp because it is prime and its reverse (318934459) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 954439813 - 2⁵ = 954439781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (954434813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477219906 + 477219907.

It is an arithmetic number, because the mean of its divisors is an integer number (477219907).

Almost surely, 2^954439813 is an apocalyptic number.

It is an amenable number.

954439813 is a deficient number, since it is larger than the sum of its proper divisors (1).

954439813 is an equidigital number, since it uses as much as digits as its factorization.

954439813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 954439813 is about 30894.0093383814. The cubic root of 954439813 is about 984.5766131131.

The spelling of 954439813 in words is "nine hundred fifty-four million, four hundred thirty-nine thousand, eight hundred thirteen".