29099085949 has 4 divisors (see below), whose sum is σ = 29168205340. Its totient is φ = 29029966560.

The previous prime is 29099085893. The next prime is 29099085991. The reversal of 29099085949 is 94958099092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 205205625 + 28893880324 = 14325^2 + 169982^2 .

It is a cyclic number.

It is not a de Polignac number, because 29099085949 - 2⁹ = 29099085437 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 (29099082949) 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, 34559064 + ... + 34559905.

It is an arithmetic number, because the mean of its divisors is an integer number (7292051335).

Almost surely, 2^29099085949 is an apocalyptic number.

It is an amenable number.

29099085949 is a deficient number, since it is larger than the sum of its proper divisors (69119391).

29099085949 is an equidigital number, since it uses as much as digits as its factorization.

29099085949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69119390.

The product of its (nonzero) digits is 18895680, while the sum is 64.

The spelling of 29099085949 in words is "twenty-nine billion, ninety-nine million, eighty-five thousand, nine hundred forty-nine".