2163313565 has 16 divisors (see below), whose sum is σ = 2967874560. Its totient is φ = 1482892800.

The previous prime is 2163313541. The next prime is 2163313589. The reversal of 2163313565 is 5653133612.

It is an interprime number because it is at equal distance from previous prime (2163313541) and next prime (2163313589).

It is not a de Polignac number, because 2163313565 - 2⁶ = 2163313501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108365 + ... + 126765.

It is an arithmetic number, because the mean of its divisors is an integer number (185492160).

Almost surely, 2^2163313565 is an apocalyptic number.

It is an amenable number.

2163313565 is a deficient number, since it is larger than the sum of its proper divisors (804560995).

2163313565 is a wasteful number, since it uses less digits than its factorization.

2163313565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21772.

The product of its digits is 48600, while the sum is 35.

The square root of 2163313565 is about 46511.4347768374. The cubic root of 2163313565 is about 1293.3214817985.

The spelling of 2163313565 in words is "two billion, one hundred sixty-three million, three hundred thirteen thousand, five hundred sixty-five".