949561599 has 48 divisors (see below), whose sum is σ = 1525282304. Its totient is φ = 514356480.

The previous prime is 949561567. The next prime is 949561603. The reversal of 949561599 is 995165949.

It is not a de Polignac number, because 949561599 - 2⁵ = 949561567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949561519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1305774 + ... + 1306500.

Almost surely, 2^949561599 is an apocalyptic number.

949561599 is a deficient number, since it is larger than the sum of its proper divisors (575720705).

949561599 is a wasteful number, since it uses less digits than its factorization.

949561599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 815 counting only the distinct ones).

The product of its digits is 3936600, while the sum is 57.

The square root of 949561599 is about 30814.9573908516. The cubic root of 949561599 is about 982.8963320180.

The spelling of 949561599 in words is "nine hundred forty-nine million, five hundred sixty-one thousand, five hundred ninety-nine".