950666869 has 4 divisors (see below), whose sum is σ = 957924000. Its totient is φ = 943409740.

The previous prime is 950666861. The next prime is 950666887. The reversal of 950666869 is 968666059.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 968666059 = 1307 ⋅741137.

It is a cyclic number.

It is not a de Polignac number, because 950666869 - 2³ = 950666861 is a prime.

It is a super-2 number, since 2×950666869² = 1807534991628526322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (950666861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3628369 + ... + 3628630.

It is an arithmetic number, because the mean of its divisors is an integer number (239481000).

Almost surely, 2^950666869 is an apocalyptic number.

It is an amenable number.

950666869 is a deficient number, since it is larger than the sum of its proper divisors (7257131).

950666869 is a wasteful number, since it uses less digits than its factorization.

950666869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7257130.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The square root of 950666869 is about 30832.8861607213. The cubic root of 950666869 is about 983.2775411290.

The spelling of 950666869 in words is "nine hundred fifty million, six hundred sixty-six thousand, eight hundred sixty-nine".