959623649 has 4 divisors (see below), whose sum is σ = 960387120. Its totient is φ = 958860180.

The previous prime is 959623627. The next prime is 959623663. The reversal of 959623649 is 946326959.

959623649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-959623649 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 959623649.

It is not an unprimeable number, because it can be changed into a prime (959626649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379847 + ... + 382364.

It is an arithmetic number, because the mean of its divisors is an integer number (240096780).

Almost surely, 2^959623649 is an apocalyptic number.

It is an amenable number.

959623649 is a deficient number, since it is larger than the sum of its proper divisors (763471).

959623649 is a wasteful number, since it uses less digits than its factorization.

959623649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763470.

The product of its digits is 3149280, while the sum is 53.

The square root of 959623649 is about 30977.7928361593. The cubic root of 959623649 is about 986.3559015799.

The spelling of 959623649 in words is "nine hundred fifty-nine million, six hundred twenty-three thousand, six hundred forty-nine".