29988173241 has 20 divisors (see below), whose sum is σ = 48243083812. Its totient is φ = 18454259808.

The previous prime is 29988173209. The next prime is 29988173251. The reversal of 29988173241 is 14237188992.

It can be written as a sum of positive squares in 2 ways, for example, as 14882780025 + 15105393216 = 121995^2 + 122904^2 .

It is not a de Polignac number, because 29988173241 - 2⁵ = 29988173209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29988173251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14238346 + ... + 14240451.

Almost surely, 2^29988173241 is an apocalyptic number.

It is an amenable number.

29988173241 is a deficient number, since it is larger than the sum of its proper divisors (18254910571).

29988173241 is a wasteful number, since it uses less digits than its factorization.

29988173241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28478822 (or 28478813 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 29988173241 in words is "twenty-nine billion, nine hundred eighty-eight million, one hundred seventy-three thousand, two hundred forty-one".