29955205519807 has 2 divisors, whose sum is σ = 29955205519808. Its totient is φ = 29955205519806.

The previous prime is 29955205519769. The next prime is 29955205519891. The reversal of 29955205519807 is 70891550255992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29955205519807 - 2¹⁹ = 29955204995519 is a prime.

It is a super-2 number, since 2×29955205519807² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29955205516807) 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 as a sum of consecutive naturals, namely, 14977602759903 + 14977602759904.

It is an arithmetic number, because the mean of its divisors is an integer number (14977602759904).

Almost surely, 2^{29955205519807} is an apocalyptic number.

29955205519807 is a deficient number, since it is larger than the sum of its proper divisors (1).

29955205519807 is an equidigital number, since it uses as much as digits as its factorization.

29955205519807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060000, while the sum is 67.

The spelling of 29955205519807 in words is "twenty-nine trillion, nine hundred fifty-five billion, two hundred five million, five hundred nineteen thousand, eight hundred seven".