29799894739 has 4 divisors (see below), whose sum is σ = 29801004760. Its totient is φ = 29798784720.

The previous prime is 29799894689. The next prime is 29799894767. The reversal of 29799894739 is 93749899792.

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

It is a cyclic number.

It is not a de Polignac number, because 29799894739 - 2¹⁹ = 29799370451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29799894769) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 513717 + ... + 568774.

It is an arithmetic number, because the mean of its divisors is an integer number (7450251190).

Almost surely, 2^29799894739 is an apocalyptic number.

29799894739 is a deficient number, since it is larger than the sum of its proper divisors (1110021).

29799894739 is a wasteful number, since it uses less digits than its factorization.

29799894739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110020.

The product of its digits is 555532992, while the sum is 76.

The spelling of 29799894739 in words is "twenty-nine billion, seven hundred ninety-nine million, eight hundred ninety-four thousand, seven hundred thirty-nine".