29399794146 has 24 divisors (see below), whose sum is σ = 63811526220. Its totient is φ = 9782704896.

The previous prime is 29399794133. The next prime is 29399794163. The reversal of 29399794146 is 64149799392.

It can be written as a sum of positive squares in 2 ways, for example, as 26982990225 + 2416803921 = 164265^2 + 49161^2 .

It is a Curzon number.

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 in 11 ways as a sum of consecutive naturals, for example, 1425015 + ... + 1445498.

Almost surely, 2^29399794146 is an apocalyptic number.

29399794146 is an abundant number, since it is smaller than the sum of its proper divisors (34411732074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29399794146 is a wasteful number, since it uses less digits than its factorization.

29399794146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871090 (or 2871087 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The spelling of 29399794146 in words is "twenty-nine billion, three hundred ninety-nine million, seven hundred ninety-four thousand, one hundred forty-six".