29753355121 has 24 divisors (see below), whose sum is σ = 37417390080. Its totient is φ = 23507602272.

The previous prime is 29753355089. The next prime is 29753355131. The reversal of 29753355121 is 12155335792.

It is not a de Polignac number, because 29753355121 - 2⁵ = 29753355089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29753355131) 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 23 ways as a sum of consecutive naturals, for example, 397425 + ... + 466318.

It is an arithmetic number, because the mean of its divisors is an integer number (1559057920).

Almost surely, 2^29753355121 is an apocalyptic number.

It is an amenable number.

29753355121 is a deficient number, since it is larger than the sum of its proper divisors (7664034959).

29753355121 is a wasteful number, since it uses less digits than its factorization.

29753355121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863813 (or 863806 counting only the distinct ones).

The product of its digits is 283500, while the sum is 43.

The spelling of 29753355121 in words is "twenty-nine billion, seven hundred fifty-three million, three hundred fifty-five thousand, one hundred twenty-one".