29910318916 has 27 divisors (see below), whose sum is σ = 53615308383. Its totient is φ = 14600101320.

The previous prime is 29910318913. The next prime is 29910318931. The reversal of 29910318916 is 61981301992.

The square root of 29910318916 is 172946.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29910318916.

It is not an unprimeable number, because it can be changed into a prime (29910318913) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14872351 + ... + 14874361.

Almost surely, 2^29910318916 is an apocalyptic number.

29910318916 is the 172946-th square number.

It is an amenable number.

29910318916 is a deficient number, since it is larger than the sum of its proper divisors (23704989467).

29910318916 is an frugal number, since it uses more digits than its factorization.

29910318916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 49.

Multiplying 29910318916 by its sum of digits (49), we get a square (1465605626884 = 1210622²).

The spelling of 29910318916 in words is "twenty-nine billion, nine hundred ten million, three hundred eighteen thousand, nine hundred sixteen".