29427638473422 has 48 divisors (see below), whose sum is σ = 74355549122400. Its totient is φ = 8407896704928.

The previous prime is 29427638473421. The next prime is 29427638473451. The reversal of 29427638473422 is 22437483672492.

29427638473422 is a `hidden beast` number, since 2 + 9 + 4 + 2 + 7 + 63 + 84 + 73 + 422 = 666.

It is a super-2 number, since 2×29427638473422² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 29427638473422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29427638473421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2383184503 + ... + 2383196850.

It is an arithmetic number, because the mean of its divisors is an integer number (1549073940050).

Almost surely, 2^{29427638473422} is an apocalyptic number.

29427638473422 is an abundant number, since it is smaller than the sum of its proper divisors (44927910648978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29427638473422 is a wasteful number, since it uses less digits than its factorization.

29427638473422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766381382 (or 4766381365 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 63.

The spelling of 29427638473422 in words is "twenty-nine trillion, four hundred twenty-seven billion, six hundred thirty-eight million, four hundred seventy-three thousand, four hundred twenty-two".