29779749004 has 12 divisors (see below), whose sum is σ = 52148789784. Its totient is φ = 14880094784.

The previous prime is 29779748987. The next prime is 29779749023. The reversal of 29779749004 is 40094797792.

It is a self number, because there is not a number n which added to its sum of digits gives 29779749004.

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 3 ways as a sum of consecutive naturals, for example, 2438077 + ... + 2450260.

It is an arithmetic number, because the mean of its divisors is an integer number (4345732482).

Almost surely, 2^29779749004 is an apocalyptic number.

It is an amenable number.

29779749004 is a deficient number, since it is larger than the sum of its proper divisors (22369040780).

29779749004 is a wasteful number, since it uses less digits than its factorization.

29779749004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889864 (or 4889862 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 29779749004 in words is "twenty-nine billion, seven hundred seventy-nine million, seven hundred forty-nine thousand, four".