29983957449 has 16 divisors (see below), whose sum is σ = 40428096384. Its totient is φ = 19765152000.

The previous prime is 29983957441. The next prime is 29983957459. The reversal of 29983957449 is 94475938992.

It is not a de Polignac number, because 29983957449 - 2³ = 29983957441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29983957441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130849 + ... + 277649.

It is an arithmetic number, because the mean of its divisors is an integer number (2526756024).

Almost surely, 2^29983957449 is an apocalyptic number.

It is an amenable number.

29983957449 is a deficient number, since it is larger than the sum of its proper divisors (10444138935).

29983957449 is a wasteful number, since it uses less digits than its factorization.

29983957449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147568.

The product of its digits is 176359680, while the sum is 69.

The spelling of 29983957449 in words is "twenty-nine billion, nine hundred eighty-three million, nine hundred fifty-seven thousand, four hundred forty-nine".