29966394533 has 2 divisors, whose sum is σ = 29966394534. Its totient is φ = 29966394532.

The previous prime is 29966394529. The next prime is 29966394551. The reversal of 29966394533 is 33549366992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29617377409 + 349017124 = 172097^2 + 18682^2 .

It is a cyclic number.

It is not a de Polignac number, because 29966394533 - 2² = 29966394529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29966324533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14983197266 + 14983197267.

It is an arithmetic number, because the mean of its divisors is an integer number (14983197267).

Almost surely, 2^29966394533 is an apocalyptic number.

It is an amenable number.

29966394533 is a deficient number, since it is larger than the sum of its proper divisors (1).

29966394533 is an equidigital number, since it uses as much as digits as its factorization.

29966394533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28343520, while the sum is 59.

The spelling of 29966394533 in words is "twenty-nine billion, nine hundred sixty-six million, three hundred ninety-four thousand, five hundred thirty-three".