29944654378 has 4 divisors (see below), whose sum is σ = 44916981570. Its totient is φ = 14972327188.

The previous prime is 29944654357. The next prime is 29944654391. The reversal of 29944654378 is 87345644992.

It is a happy number.

29944654378 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 28445183649 + 1499470729 = 168657^2 + 38723^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7486163593 + ... + 7486163596.

Almost surely, 2^29944654378 is an apocalyptic number.

29944654378 is a deficient number, since it is larger than the sum of its proper divisors (14972327192).

29944654378 is a wasteful number, since it uses less digits than its factorization.

29944654378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14972327191.

The product of its digits is 52254720, while the sum is 61.

The spelling of 29944654378 in words is "twenty-nine billion, nine hundred forty-four million, six hundred fifty-four thousand, three hundred seventy-eight".