6922638423 has 24 divisors (see below), whose sum is σ = 10072957440. Its totient is φ = 4581213120.

The previous prime is 6922638409. The next prime is 6922638439. The reversal of 6922638423 is 3248362296.

It is a happy number.

6922638423 is a `hidden beast` number, since 6 + 9 + 2 + 2 + 638 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 6922638423 - 2⁸ = 6922638167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6922638223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1100778 + ... + 1107048.

It is an arithmetic number, because the mean of its divisors is an integer number (419706560).

Almost surely, 2^6922638423 is an apocalyptic number.

6922638423 is a deficient number, since it is larger than the sum of its proper divisors (3150319017).

6922638423 is a wasteful number, since it uses less digits than its factorization.

6922638423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159 (or 7156 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 6922638423 is about 83202.3943345382. The cubic root of 6922638423 is about 1905.8580440347.

The spelling of 6922638423 in words is "six billion, nine hundred twenty-two million, six hundred thirty-eight thousand, four hundred twenty-three".