969949147 has 4 divisors (see below), whose sum is σ = 970382296. Its totient is φ = 969516000.

The previous prime is 969949133. The next prime is 969949159. The reversal of 969949147 is 741949969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741949969 = 2879 ⋅257711.

It is a cyclic number.

It is not a de Polignac number, because 969949147 - 2²⁷ = 835731419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 969949091 and 969949100.

It is not an unprimeable number, because it can be changed into a prime (969949187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213198 + ... + 217699.

It is an arithmetic number, because the mean of its divisors is an integer number (242595574).

Almost surely, 2^969949147 is an apocalyptic number.

969949147 is a deficient number, since it is larger than the sum of its proper divisors (433149).

969949147 is a wasteful number, since it uses less digits than its factorization.

969949147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433148.

The product of its digits is 4408992, while the sum is 58.

The square root of 969949147 is about 31144.0065983810. The cubic root of 969949147 is about 989.8810002189.

The spelling of 969949147 in words is "nine hundred sixty-nine million, nine hundred forty-nine thousand, one hundred forty-seven".