29749786492 has 12 divisors (see below), whose sum is σ = 53741550016. Its totient is φ = 14395057920.

The previous prime is 29749786477. The next prime is 29749786501. The reversal of 29749786492 is 29468794792.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119958693 + ... + 119958940.

Almost surely, 2^29749786492 is an apocalyptic number.

It is an amenable number.

29749786492 is a deficient number, since it is larger than the sum of its proper divisors (23991763524).

29749786492 is a wasteful number, since it uses less digits than its factorization.

29749786492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239917668 (or 239917666 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 67.

The spelling of 29749786492 in words is "twenty-nine billion, seven hundred forty-nine million, seven hundred eighty-six thousand, four hundred ninety-two".