29874419156 has 12 divisors (see below), whose sum is σ = 52295486292. Its totient is φ = 14932851648.

The previous prime is 29874419149. The next prime is 29874419161. The reversal of 29874419156 is 65191447892.

It can be written as a sum of positive squares in 2 ways, for example, as 12081527056 + 17792892100 = 109916^2 + 133390^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074035 + ... + 1101498.

It is an arithmetic number, because the mean of its divisors is an integer number (4357957191).

Almost surely, 2^29874419156 is an apocalyptic number.

It is an amenable number.

29874419156 is a deficient number, since it is larger than the sum of its proper divisors (22421067136).

29874419156 is a wasteful number, since it uses less digits than its factorization.

29874419156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178970 (or 2178968 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The spelling of 29874419156 in words is "twenty-nine billion, eight hundred seventy-four million, four hundred nineteen thousand, one hundred fifty-six".