29079948109 has 4 divisors (see below), whose sum is σ = 29756226016. Its totient is φ = 28403670204.

The previous prime is 29079948101. The next prime is 29079948181. The reversal of 29079948109 is 90184997092.

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 a cyclic number.

It is not a de Polignac number, because 29079948109 - 2³ = 29079948101 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 (29079948101) 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, 338138889 + ... + 338138974.

It is an arithmetic number, because the mean of its divisors is an integer number (7439056504).

Almost surely, 2^29079948109 is an apocalyptic number.

It is an amenable number.

29079948109 is a deficient number, since it is larger than the sum of its proper divisors (676277907).

29079948109 is an equidigital number, since it uses as much as digits as its factorization.

29079948109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676277906.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The spelling of 29079948109 in words is "twenty-nine billion, seventy-nine million, nine hundred forty-eight thousand, one hundred nine".