29848221908 has 24 divisors (see below), whose sum is σ = 54014257920. Its totient is φ = 14417271360.

The previous prime is 29848221889. The next prime is 29848221919. The reversal of 29848221908 is 80912284892.

It is a happy number.

It is a super-2 number, since 2×29848221908² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29848221908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140966 + ... + 282077.

It is an arithmetic number, because the mean of its divisors is an integer number (2250594080).

Almost surely, 2^29848221908 is an apocalyptic number.

It is an amenable number.

29848221908 is a deficient number, since it is larger than the sum of its proper divisors (24166036012).

29848221908 is a wasteful number, since it uses less digits than its factorization.

29848221908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423647 (or 423645 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 29848221908 in words is "twenty-nine billion, eight hundred forty-eight million, two hundred twenty-one thousand, nine hundred eight".