29952811628 has 6 divisors (see below), whose sum is σ = 52417420356. Its totient is φ = 14976405812.

The previous prime is 29952811543. The next prime is 29952811631. The reversal of 29952811628 is 82611825992.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29952811628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3744101450 + ... + 3744101457.

It is an arithmetic number, because the mean of its divisors is an integer number (8736236726).

Almost surely, 2^29952811628 is an apocalyptic number.

It is an amenable number.

29952811628 is a deficient number, since it is larger than the sum of its proper divisors (22464608728).

29952811628 is a wasteful number, since it uses less digits than its factorization.

29952811628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488202911 (or 7488202909 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 53.

The spelling of 29952811628 in words is "twenty-nine billion, nine hundred fifty-two million, eight hundred eleven thousand, six hundred twenty-eight".