3122694563 has 4 divisors (see below), whose sum is σ = 3123607608. Its totient is φ = 3121781520.

The previous prime is 3122694503. The next prime is 3122694581. The reversal of 3122694563 is 3654962213.

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

It is a cyclic number.

It is not a de Polignac number, because 3122694563 - 2³⁰ = 2048952739 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 3122694563.

It is not an unprimeable number, because it can be changed into a prime (3122694503) 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, 451373 + ... + 458238.

It is an arithmetic number, because the mean of its divisors is an integer number (780901902).

Almost surely, 2^3122694563 is an apocalyptic number.

3122694563 is a deficient number, since it is larger than the sum of its proper divisors (913045).

3122694563 is an equidigital number, since it uses as much as digits as its factorization.

3122694563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913044.

The product of its digits is 233280, while the sum is 41.

The square root of 3122694563 is about 55881.0751775590. The cubic root of 3122694563 is about 1461.6492532612.

The spelling of 3122694563 in words is "three billion, one hundred twenty-two million, six hundred ninety-four thousand, five hundred sixty-three".