29858722028 has 6 divisors (see below), whose sum is σ = 52252763556. Its totient is φ = 14929361012.

The previous prime is 29858722001. The next prime is 29858722043. The reversal of 29858722028 is 82022785892.

It is a super-2 number, since 2×29858722028² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3732340250 + ... + 3732340257.

It is an arithmetic number, because the mean of its divisors is an integer number (8708793926).

Almost surely, 2^29858722028 is an apocalyptic number.

It is an amenable number.

29858722028 is a deficient number, since it is larger than the sum of its proper divisors (22394041528).

29858722028 is a wasteful number, since it uses less digits than its factorization.

29858722028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7464680511 (or 7464680509 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 29858722028 in words is "twenty-nine billion, eight hundred fifty-eight million, seven hundred twenty-two thousand, twenty-eight".