29439187442 has 32 divisors (see below), whose sum is σ = 54419057280. Its totient is φ = 11661217920.

The previous prime is 29439187441. The next prime is 29439187457. The reversal of 29439187442 is 24478193492.

It is not an unprimeable number, because it can be changed into a prime (29439187441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338773 + ... + 1360584.

It is an arithmetic number, because the mean of its divisors is an integer number (1700595540).

Almost surely, 2^29439187442 is an apocalyptic number.

29439187442 is a deficient number, since it is larger than the sum of its proper divisors (24979869838).

29439187442 is a wasteful number, since it uses less digits than its factorization.

29439187442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699426.

The product of its digits is 3483648, while the sum is 53.

The spelling of 29439187442 in words is "twenty-nine billion, four hundred thirty-nine million, one hundred eighty-seven thousand, four hundred forty-two".