29374921947393 has 96 divisors (see below), whose sum is σ = 50079375989760. Its totient is φ = 16397501742720.

The previous prime is 29374921947361. The next prime is 29374921947451. The reversal of 29374921947393 is 39374912947392.

It is a happy number.

29374921947393 is a `hidden beast` number, since 2 + 9 + 3 + 7 + 49 + 2 + 194 + 7 + 393 = 666.

It is not a de Polignac number, because 29374921947393 - 2⁵ = 29374921947361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29374921947313) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90522930 + ... + 90846852.

It is an arithmetic number, because the mean of its divisors is an integer number (521660166560).

Almost surely, 2^{29374921947393} is an apocalyptic number.

It is an amenable number.

29374921947393 is a deficient number, since it is larger than the sum of its proper divisors (20704454042367).

29374921947393 is a wasteful number, since it uses less digits than its factorization.

29374921947393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325299 (or 325296 counting only the distinct ones).

The product of its digits is 555532992, while the sum is 72.

Subtracting 29374921947393 from its reverse (39374912947392), we obtain a palindrome (9999990999999).

The spelling of 29374921947393 in words is "twenty-nine trillion, three hundred seventy-four billion, nine hundred twenty-one million, nine hundred forty-seven thousand, three hundred ninety-three".