960643911 has 4 divisors (see below), whose sum is σ = 1280858552. Its totient is φ = 640429272.

The previous prime is 960643897. The next prime is 960643949. The reversal of 960643911 is 119346069.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 960643911 - 2⁹ = 960643399 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 960643911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (960643961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160107316 + ... + 160107321.

It is an arithmetic number, because the mean of its divisors is an integer number (320214638).

Almost surely, 2^960643911 is an apocalyptic number.

960643911 is a deficient number, since it is larger than the sum of its proper divisors (320214641).

960643911 is a wasteful number, since it uses less digits than its factorization.

960643911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320214640.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 960643911 is about 30994.2560968964. The cubic root of 960643911 is about 986.7053389218.

The spelling of 960643911 in words is "nine hundred sixty million, six hundred forty-three thousand, nine hundred eleven".