29368886893 has 4 divisors (see below), whose sum is σ = 29432594268. Its totient is φ = 29305179520.

The previous prime is 29368886849. The next prime is 29368886903. The reversal of 29368886893 is 39868886392.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19048968324 + 10319918569 = 138018^2 + 101587^2 .

It is a cyclic number.

It is not a de Polignac number, because 29368886893 - 2¹³ = 29368878701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29368886593) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 31852996 + ... + 31853917.

It is an arithmetic number, because the mean of its divisors is an integer number (7358148567).

Almost surely, 2^29368886893 is an apocalyptic number.

It is an amenable number.

29368886893 is a deficient number, since it is larger than the sum of its proper divisors (63707375).

29368886893 is an equidigital number, since it uses as much as digits as its factorization.

29368886893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63707374.

The product of its digits is 214990848, while the sum is 70.

The spelling of 29368886893 in words is "twenty-nine billion, three hundred sixty-eight million, eight hundred eighty-six thousand, eight hundred ninety-three".