29943955019449 has 9 divisors (see below), whose sum is σ = 30309531924783. Its totient is φ = 29582735764272.

The previous prime is 29943955019443. The next prime is 29943955019453. The reversal of 29943955019449 is 94491055934992.

The square root of 29943955019449 is 5472107.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9496918033849 + 20447036985600 = 3081707^2 + 4521840^2 .

It is not a de Polignac number, because 29943955019449 - 2⁵ = 29943955019417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29943955019443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 454151917 + ... + 454217845.

Almost surely, 2^{29943955019449} is an apocalyptic number.

29943955019449 is the 5472107-th square number.

29943955019449 is the 2736054-th centered octagonal number.

It is an amenable number.

29943955019449 is a deficient number, since it is larger than the sum of its proper divisors (365576905334).

29943955019449 is an frugal number, since it uses more digits than its factorization.

29943955019449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132024 (or 66012 counting only the distinct ones).

The product of its (nonzero) digits is 566870400, while the sum is 73.

The spelling of 29943955019449 in words is "twenty-nine trillion, nine hundred forty-three billion, nine hundred fifty-five million, nineteen thousand, four hundred forty-nine".