29198589449 has 4 divisors (see below), whose sum is σ = 29268276240. Its totient is φ = 29128902660.

The previous prime is 29198589443. The next prime is 29198589463. The reversal of 29198589449 is 94498589192.

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 a de Polignac number, because none of the positive numbers 2^k-29198589449 is a prime.

It is a super-2 number, since 2×29198589449² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29198589443) 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, 34842767 + ... + 34843604.

It is an arithmetic number, because the mean of its divisors is an integer number (7317069060).

Almost surely, 2^29198589449 is an apocalyptic number.

It is an amenable number.

29198589449 is a deficient number, since it is larger than the sum of its proper divisors (69686791).

29198589449 is an equidigital number, since it uses as much as digits as its factorization.

29198589449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69686790.

The product of its digits is 67184640, while the sum is 68.

The spelling of 29198589449 in words is "twenty-nine billion, one hundred ninety-eight million, five hundred eighty-nine thousand, four hundred forty-nine".