995809969 has 32 divisors (see below), whose sum is σ = 1383782400. Its totient is φ = 691856640.

The previous prime is 995809957. The next prime is 995809973. The reversal of 995809969 is 969908599.

It is a cyclic number.

It is not a de Polignac number, because 995809969 - 2¹³ = 995801777 is a prime.

It is a super-2 number, since 2×995809969² = 1983274988719561922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 995809969.

It is not an unprimeable number, because it can be changed into a prime (995809999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4852 + ... + 44890.

It is an arithmetic number, because the mean of its divisors is an integer number (43243200).

Almost surely, 2^995809969 is an apocalyptic number.

It is an amenable number.

995809969 is a deficient number, since it is larger than the sum of its proper divisors (387972431).

995809969 is a wasteful number, since it uses less digits than its factorization.

995809969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40093.

The product of its (nonzero) digits is 14171760, while the sum is 64.

The square root of 995809969 is about 31556.4568511739. The cubic root of 995809969 is about 998.6013677398.

The spelling of 995809969 in words is "nine hundred ninety-five million, eight hundred nine thousand, nine hundred sixty-nine".