29983693293 has 30 divisors (see below), whose sum is σ = 46015556334. Its totient is φ = 19442733264.

The previous prime is 29983693279. The next prime is 29983693301. The reversal of 29983693293 is 39239638992.

It can be written as a sum of positive squares in only one way, i.e., 29173323204 + 810370089 = 170802^2 + 28467^2 .

It is not a de Polignac number, because 29983693293 - 2¹⁶ = 29983627757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29983693293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29983693093) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 9477930 + ... + 9481092.

Almost surely, 2^29983693293 is an apocalyptic number.

It is an amenable number.

29983693293 is a deficient number, since it is larger than the sum of its proper divisors (16031863041).

29983693293 is an frugal number, since it uses more digits than its factorization.

29983693293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375 (or 3203 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 63.

It can be divided in two parts, 299836 and 93293, that added together give a square (393129 = 627²).

The spelling of 29983693293 in words is "twenty-nine billion, nine hundred eighty-three million, six hundred ninety-three thousand, two hundred ninety-three".