29273438121 has 8 divisors (see below), whose sum is σ = 39417699264. Its totient is φ = 19322401200.

The previous prime is 29273438101. The next prime is 29273438137. The reversal of 29273438121 is 12183437292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29273438121 - 2⁶ = 29273438057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29273438101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48305701 + ... + 48306306.

It is an arithmetic number, because the mean of its divisors is an integer number (4927212408).

Almost surely, 2^29273438121 is an apocalyptic number.

It is an amenable number.

29273438121 is a deficient number, since it is larger than the sum of its proper divisors (10144261143).

29273438121 is a wasteful number, since it uses less digits than its factorization.

29273438121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96612111.

The product of its digits is 145152, while the sum is 42.

The spelling of 29273438121 in words is "twenty-nine billion, two hundred seventy-three million, four hundred thirty-eight thousand, one hundred twenty-one".