29484933581 has 2 divisors, whose sum is σ = 29484933582. Its totient is φ = 29484933580.

The previous prime is 29484933551. The next prime is 29484933593. The reversal of 29484933581 is 18533948492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21068522500 + 8416411081 = 145150^2 + 91741^2 .

It is a cyclic number.

It is not a de Polignac number, because 29484933581 - 2¹⁰ = 29484932557 is a prime.

It is a super-4 number, since 4×29484933581⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29484933551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14742466790 + 14742466791.

It is an arithmetic number, because the mean of its divisors is an integer number (14742466791).

Almost surely, 2^29484933581 is an apocalyptic number.

It is an amenable number.

29484933581 is a deficient number, since it is larger than the sum of its proper divisors (1).

29484933581 is an equidigital number, since it uses as much as digits as its factorization.

29484933581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 56.

The spelling of 29484933581 in words is "twenty-nine billion, four hundred eighty-four million, nine hundred thirty-three thousand, five hundred eighty-one".