964220109 has 4 divisors (see below), whose sum is σ = 1285626816. Its totient is φ = 642813404.

The previous prime is 964220069. The next prime is 964220119. The reversal of 964220109 is 901022469.

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 not a de Polignac number, because 964220109 - 2¹³ = 964211917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 964220109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964220119) 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 3 ways as a sum of consecutive naturals, for example, 160703349 + ... + 160703354.

It is an arithmetic number, because the mean of its divisors is an integer number (321406704).

Almost surely, 2^964220109 is an apocalyptic number.

It is an amenable number.

964220109 is a deficient number, since it is larger than the sum of its proper divisors (321406707).

964220109 is a wasteful number, since it uses less digits than its factorization.

964220109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321406706.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 964220109 is about 31051.8938069806. The cubic root of 964220109 is about 987.9282283940.

The spelling of 964220109 in words is "nine hundred sixty-four million, two hundred twenty thousand, one hundred nine".