29474428626 has 24 divisors (see below), whose sum is σ = 64493555724. Its totient is φ = 9727533600.

The previous prime is 29474428619. The next prime is 29474428637. The reversal of 29474428626 is 62682447492.

It is a happy number.

29474428626 is a `hidden beast` number, since 2 + 9 + 4 + 7 + 4 + 4 + 2 + 8 + 626 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26896328001 + 2578100625 = 164001^2 + 50775^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8104461 + ... + 8108096.

Almost surely, 2^29474428626 is an apocalyptic number.

29474428626 is an abundant number, since it is smaller than the sum of its proper divisors (35019127098).

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

29474428626 is a wasteful number, since it uses less digits than its factorization.

29474428626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16212666 (or 16212663 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The spelling of 29474428626 in words is "twenty-nine billion, four hundred seventy-four million, four hundred twenty-eight thousand, six hundred twenty-six".