29539346121 has 24 divisors (see below), whose sum is σ = 43898060960. Its totient is φ = 19133205696.

The previous prime is 29539346107. The next prime is 29539346143. The reversal of 29539346121 is 12164393592.

29539346121 is a `hidden beast` number, since 2 + 9 + 539 + 34 + 61 + 21 = 666.

It is not a de Polignac number, because 29539346121 - 2¹⁰ = 29539345097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29539346101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291511 + ... + 379548.

Almost surely, 2^29539346121 is an apocalyptic number.

It is an amenable number.

29539346121 is a deficient number, since it is larger than the sum of its proper divisors (14358714839).

29539346121 is a wasteful number, since it uses less digits than its factorization.

29539346121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671205 (or 671202 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The spelling of 29539346121 in words is "twenty-nine billion, five hundred thirty-nine million, three hundred forty-six thousand, one hundred twenty-one".