29398091229 has 24 divisors (see below), whose sum is σ = 45747337272. Its totient is φ = 18084418560.

The previous prime is 29398091189. The next prime is 29398091249. The reversal of 29398091229 is 92219089392.

29398091229 is a `hidden beast` number, since 29 + 398 + 0 + 9 + 1 + 229 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1680836004 + 27717255225 = 40998^2 + 166485^2 .

It is not a de Polignac number, because 29398091229 - 2⁷ = 29398091101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29398091249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279669 + ... + 370149.

It is an arithmetic number, because the mean of its divisors is an integer number (1906139053).

Almost surely, 2^29398091229 is an apocalyptic number.

It is an amenable number.

29398091229 is a deficient number, since it is larger than the sum of its proper divisors (16349246043).

29398091229 is a wasteful number, since it uses less digits than its factorization.

29398091229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93277 (or 93274 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 29398091229 in words is "twenty-nine billion, three hundred ninety-eight million, ninety-one thousand, two hundred twenty-nine".