954618989 has 2 divisors, whose sum is σ = 954618990. Its totient is φ = 954618988.

The previous prime is 954618983. The next prime is 954619007. The reversal of 954618989 is 989816459.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799192900 + 155426089 = 28270^2 + 12467^2 .

It is a cyclic number.

It is not a de Polignac number, because 954618989 - 2⁸ = 954618733 is a prime.

It is a super-2 number, since 2×954618989² = 1822594828318764242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (954618983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477309494 + 477309495.

It is an arithmetic number, because the mean of its divisors is an integer number (477309495).

Almost surely, 2^954618989 is an apocalyptic number.

It is an amenable number.

954618989 is a deficient number, since it is larger than the sum of its proper divisors (1).

954618989 is an equidigital number, since it uses as much as digits as its factorization.

954618989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 59.

The square root of 954618989 is about 30896.9090525250. The cubic root of 954618989 is about 984.6382204416.

The spelling of 954618989 in words is "nine hundred fifty-four million, six hundred eighteen thousand, nine hundred eighty-nine".