29681914594 has 4 divisors (see below), whose sum is σ = 44522871894. Its totient is φ = 14840957296.

The previous prime is 29681914583. The next prime is 29681914637. The reversal of 29681914594 is 49541918692.

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., 22925896569 + 6756018025 = 151413^2 + 82195^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 7420478647 + ... + 7420478650.

Almost surely, 2^29681914594 is an apocalyptic number.

29681914594 is a deficient number, since it is larger than the sum of its proper divisors (14840957300).

29681914594 is a wasteful number, since it uses less digits than its factorization.

29681914594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14840957299.

The product of its digits is 5598720, while the sum is 58.

The spelling of 29681914594 in words is "twenty-nine billion, six hundred eighty-one million, nine hundred fourteen thousand, five hundred ninety-four".