29774121245 has 16 divisors (see below), whose sum is σ = 38994600960. Its totient is φ = 21644145600.

The previous prime is 29774121203. The next prime is 29774121263. The reversal of 29774121245 is 54212147792.

It is a de Polignac number, because none of the positive numbers 2^k-29774121245 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29774121196 and 29774121205.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 2255 + ... + 244035.

It is an arithmetic number, because the mean of its divisors is an integer number (2437162560).

Almost surely, 2^29774121245 is an apocalyptic number.

It is an amenable number.

29774121245 is a deficient number, since it is larger than the sum of its proper divisors (9220479715).

29774121245 is a wasteful number, since it uses less digits than its factorization.

29774121245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244036.

The product of its digits is 282240, while the sum is 44.

The spelling of 29774121245 in words is "twenty-nine billion, seven hundred seventy-four million, one hundred twenty-one thousand, two hundred forty-five".