29873434929623 has 2 divisors, whose sum is σ = 29873434929624. Its totient is φ = 29873434929622.

The previous prime is 29873434929619. The next prime is 29873434929629. The reversal of 29873434929623 is 32692943437892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29873434929623 - 2² = 29873434929619 is a prime.

It is a super-2 number, since 2×29873434929623² (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 (29873434929629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14936717464811 + 14936717464812.

It is an arithmetic number, because the mean of its divisors is an integer number (14936717464812).

Almost surely, 2^{29873434929623} is an apocalyptic number.

29873434929623 is a deficient number, since it is larger than the sum of its proper divisors (1).

29873434929623 is an equidigital number, since it uses as much as digits as its factorization.

29873434929623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846526464, while the sum is 71.

The spelling of 29873434929623 in words is "twenty-nine trillion, eight hundred seventy-three billion, four hundred thirty-four million, nine hundred twenty-nine thousand, six hundred twenty-three".