29857047141 has 4 divisors (see below), whose sum is σ = 39809396192. Its totient is φ = 19904698092.

The previous prime is 29857047133. The next prime is 29857047163. The reversal of 29857047141 is 14174075892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 29857047141 - 2³ = 29857047133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29857047541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4976174521 + ... + 4976174526.

It is an arithmetic number, because the mean of its divisors is an integer number (9952349048).

Almost surely, 2^29857047141 is an apocalyptic number.

It is an amenable number.

29857047141 is a deficient number, since it is larger than the sum of its proper divisors (9952349051).

29857047141 is an equidigital number, since it uses as much as digits as its factorization.

29857047141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9952349050.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 29857047141 in words is "twenty-nine billion, eight hundred fifty-seven million, forty-seven thousand, one hundred forty-one".