950864865129 has 15 divisors (see below), whose sum is σ = 1420440871597. Its totient is φ = 633904059348.

The previous prime is 950864865079. The next prime is 950864865131. The reversal of 950864865129 is 921568468059.

The square root of 950864865129 is 975123.

It is a perfect power (a square), and thus also a powerful number.

950864865129 is a `hidden beast` number, since 9 + 5 + 0 + 86 + 486 + 51 + 29 = 666.

It is not a de Polignac number, because 950864865129 - 2³⁷ = 813425911657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (950864865179) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 8721934 + ... + 8830280.

Almost surely, 2^950864865129 is an apocalyptic number.

950864865129 is the 975123-rd square number.

950864865129 is the 487562-nd centered octagonal number.

It is an amenable number.

950864865129 is a deficient number, since it is larger than the sum of its proper divisors (469576006468).

950864865129 is an frugal number, since it uses more digits than its factorization.

950864865129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216706 (or 108350 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 950864865129 in words is "nine hundred fifty billion, eight hundred sixty-four million, eight hundred sixty-five thousand, one hundred twenty-nine".