950864865128 has 16 divisors (see below), whose sum is σ = 1782882592260. Its totient is φ = 475429507200.

The previous prime is 950864865079. The next prime is 950864865131. The reversal of 950864865128 is 821568468059.

It is a Cunningham number, because it is equal to 975123²-1.

It can be written as a sum of positive squares in 2 ways, for example, as 929060798884 + 21804066244 = 963878^2 + 147662^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706468 + ... + 2194028.

Almost surely, 2^950864865128 is an apocalyptic number.

It is an amenable number.

950864865128 is a deficient number, since it is larger than the sum of its proper divisors (832017727132).

950864865128 is a wasteful number, since it uses less digits than its factorization.

950864865128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731348 (or 731344 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 62.

The spelling of 950864865128 in words is "nine hundred fifty billion, eight hundred sixty-four million, eight hundred sixty-five thousand, one hundred twenty-eight".