2122638463 has 8 divisors (see below), whose sum is σ = 2317580496. Its totient is φ = 1928025600.

The previous prime is 2122638461. The next prime is 2122638491. The reversal of 2122638463 is 3648362212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122638463 - 2¹ = 2122638461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122638461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68706 + ... + 94687.

It is an arithmetic number, because the mean of its divisors is an integer number (289697562).

Almost surely, 2^2122638463 is an apocalyptic number.

2122638463 is a deficient number, since it is larger than the sum of its proper divisors (194942033).

2122638463 is a wasteful number, since it uses less digits than its factorization.

2122638463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164585.

The product of its digits is 82944, while the sum is 37.

The square root of 2122638463 is about 46072.1007009665. The cubic root of 2122638463 is about 1285.1643696535.

The spelling of 2122638463 in words is "two billion, one hundred twenty-two million, six hundred thirty-eight thousand, four hundred sixty-three".