29986117226 has 16 divisors (see below), whose sum is σ = 48443325000. Its totient is φ = 13838542848.

The previous prime is 29986117223. The next prime is 29986117229. The reversal of 29986117226 is 62271168992.

It is a Cunningham number, because it is equal to 173165²+1.

It is an interprime number because it is at equal distance from previous prime (29986117223) and next prime (29986117229).

It can be written as a sum of positive squares in 4 ways, for example, as 19252950025 + 10733167201 = 138755^2 + 103601^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (29986117223) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 300950 + ... + 387998.

Almost surely, 2^29986117226 is an apocalyptic number.

29986117226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29986117226 is a deficient number, since it is larger than the sum of its proper divisors (18457207774).

29986117226 is a wasteful number, since it uses less digits than its factorization.

29986117226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100313.

The product of its digits is 1306368, while the sum is 53.

The spelling of 29986117226 in words is "twenty-nine billion, nine hundred eighty-six million, one hundred seventeen thousand, two hundred twenty-six".