533979649 has 8 divisors (see below), whose sum is σ = 611202240. Its totient is φ = 456992016.

The previous prime is 533979647. The next prime is 533979679. The reversal of 533979649 is 946979335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 533979649 - 2¹ = 533979647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 533979649.

It is not an unprimeable number, because it can be changed into a prime (533979647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53839 + ... + 62980.

It is an arithmetic number, because the mean of its divisors is an integer number (76400280).

Almost surely, 2^533979649 is an apocalyptic number.

It is an amenable number.

533979649 is a deficient number, since it is larger than the sum of its proper divisors (77222591).

533979649 is a wasteful number, since it uses less digits than its factorization.

533979649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117479.

The product of its digits is 5511240, while the sum is 55.

The square root of 533979649 is about 23107.9996754371. Note that the first 3 decimals coincide. The cubic root of 533979649 is about 811.2877190414.

The spelling of 533979649 in words is "five hundred thirty-three million, nine hundred seventy-nine thousand, six hundred forty-nine".