29749494748 has 12 divisors (see below), whose sum is σ = 52063071480. Its totient is φ = 14874331472.

The previous prime is 29749494679. The next prime is 29749494779. The reversal of 29749494748 is 84749494792.

It is a super-2 number, since 2×29749494748² (a number of 22 digits) contains 22 as substring.

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, 102543 + ... + 264601.

It is an arithmetic number, because the mean of its divisors is an integer number (4338589290).

Almost surely, 2^29749494748 is an apocalyptic number.

It is an amenable number.

29749494748 is a deficient number, since it is larger than the sum of its proper divisors (22313576732).

29749494748 is a wasteful number, since it uses less digits than its factorization.

29749494748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207956 (or 207954 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 67.

The spelling of 29749494748 in words is "twenty-nine billion, seven hundred forty-nine million, four hundred ninety-four thousand, seven hundred forty-eight".