2189562965 has 8 divisors (see below), whose sum is σ = 2664482688. Its totient is φ = 1726978960.

The previous prime is 2189562937. The next prime is 2189562997. The reversal of 2189562965 is 5692659812.

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

It is not a de Polignac number, because 2189562965 - 2²⁴ = 2172785749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3083537 + ... + 3084246.

It is an arithmetic number, because the mean of its divisors is an integer number (333060336).

Almost surely, 2^2189562965 is an apocalyptic number.

It is an amenable number.

2189562965 is a deficient number, since it is larger than the sum of its proper divisors (474919723).

2189562965 is an equidigital number, since it uses as much as digits as its factorization.

2189562965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167859.

The product of its digits is 2332800, while the sum is 53.

The square root of 2189562965 is about 46792.7661610211. The cubic root of 2189562965 is about 1298.5314709101.

The spelling of 2189562965 in words is "two billion, one hundred eighty-nine million, five hundred sixty-two thousand, nine hundred sixty-five".