29997506947743 has 12 divisors (see below), whose sum is σ = 43330109456088. Its totient is φ = 19998163873680.

The previous prime is 29997506947711. The next prime is 29997506947871. The reversal of 29997506947743 is 34774960579992.

29997506947743 is a `hidden beast` number, since 2 + 9 + 9 + 97 + 50 + 6 + 9 + 477 + 4 + 3 = 666.

It is not a de Polignac number, because 29997506947743 - 2⁵ = 29997506947711 is a prime.

It is a super-2 number, since 2×29997506947743² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29997506947643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13411980 + ... + 15487937.

It is an arithmetic number, because the mean of its divisors is an integer number (3610842454674).

Almost surely, 2^{29997506947743} is an apocalyptic number.

29997506947743 is a deficient number, since it is larger than the sum of its proper divisors (13332602508345).

29997506947743 is a wasteful number, since it uses less digits than its factorization.

29997506947743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29015254 (or 29015251 counting only the distinct ones).

The product of its (nonzero) digits is 6481218240, while the sum is 81.

The spelling of 29997506947743 in words is "twenty-nine trillion, nine hundred ninety-seven billion, five hundred six million, nine hundred forty-seven thousand, seven hundred forty-three".