956945489 has 4 divisors (see below), whose sum is σ = 957077940. Its totient is φ = 956813040.

The previous prime is 956945477. The next prime is 956945501. The reversal of 956945489 is 984549659.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (956945477) and next prime (956945501).

It can be written as a sum of positive squares in 2 ways, for example, as 778856464 + 178089025 = 27908^2 + 13345^2 .

It is a cyclic number.

It is not a de Polignac number, because 956945489 - 2¹⁶ = 956879953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (956945459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54722 + ... + 70059.

It is an arithmetic number, because the mean of its divisors is an integer number (239269485).

Almost surely, 2^956945489 is an apocalyptic number.

It is an amenable number.

956945489 is a deficient number, since it is larger than the sum of its proper divisors (132451).

956945489 is a wasteful number, since it uses less digits than its factorization.

956945489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132450.

The product of its digits is 13996800, while the sum is 59.

The square root of 956945489 is about 30934.5355387793. The cubic root of 956945489 is about 985.4374581219.

The spelling of 956945489 in words is "nine hundred fifty-six million, nine hundred forty-five thousand, four hundred eighty-nine".