29987492349 has 32 divisors (see below), whose sum is σ = 43406049280. Its totient is φ = 18353164032.

The previous prime is 29987492323. The next prime is 29987492357. The reversal of 29987492349 is 94329478992.

It is not a de Polignac number, because 29987492349 - 2⁵ = 29987492317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29987492349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29987492449) 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 31 ways as a sum of consecutive naturals, for example, 263109 + ... + 359445.

It is an arithmetic number, because the mean of its divisors is an integer number (1356439040).

Almost surely, 2^29987492349 is an apocalyptic number.

It is an amenable number.

29987492349 is a deficient number, since it is larger than the sum of its proper divisors (13418556931).

29987492349 is a wasteful number, since it uses less digits than its factorization.

29987492349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96529.

The product of its digits is 70543872, while the sum is 66.

The spelling of 29987492349 in words is "twenty-nine billion, nine hundred eighty-seven million, four hundred ninety-two thousand, three hundred forty-nine".