29938774636 has 12 divisors (see below), whose sum is σ = 52396657600. Its totient is φ = 14968301040.

The previous prime is 29938774583. The next prime is 29938774637. The reversal of 29938774636 is 63647783992.

It is not an unprimeable number, because it can be changed into a prime (29938774637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207900 + ... + 321091.

Almost surely, 2^29938774636 is an apocalyptic number.

It is an amenable number.

29938774636 is a deficient number, since it is larger than the sum of its proper divisors (22457882964).

29938774636 is a wasteful number, since it uses less digits than its factorization.

29938774636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543144 (or 543142 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 64.

The spelling of 29938774636 in words is "twenty-nine billion, nine hundred thirty-eight million, seven hundred seventy-four thousand, six hundred thirty-six".