29818727696 has 10 divisors (see below), whose sum is σ = 57773784942. Its totient is φ = 14909363840.

The previous prime is 29818727677. The next prime is 29818727713. The reversal of 29818727696 is 69672781892.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28471837696 + 1346890000 = 168736^2 + 36700^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931835225 + ... + 931835256.

Almost surely, 2^29818727696 is an apocalyptic number.

It is an amenable number.

29818727696 is a deficient number, since it is larger than the sum of its proper divisors (27955057246).

29818727696 is a wasteful number, since it uses less digits than its factorization.

29818727696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863670489 (or 1863670483 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 65.

Adding to 29818727696 its sum of digits (65), we get a square (29818727761 = 172681²).

The spelling of 29818727696 in words is "twenty-nine billion, eight hundred eighteen million, seven hundred twenty-seven thousand, six hundred ninety-six".