29933145019 has 4 divisors (see below), whose sum is σ = 30440486520. Its totient is φ = 29425803520.

The previous prime is 29933145017. The next prime is 29933145037. The reversal of 29933145019 is 91054133992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29933145019 - 2¹ = 29933145017 is a prime.

It is a super-2 number, since 2×29933145019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29933145019.

It is not an unprimeable number, because it can be changed into a prime (29933145017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253670662 + ... + 253670779.

It is an arithmetic number, because the mean of its divisors is an integer number (7610121630).

Almost surely, 2^29933145019 is an apocalyptic number.

29933145019 is a deficient number, since it is larger than the sum of its proper divisors (507341501).

29933145019 is an equidigital number, since it uses as much as digits as its factorization.

29933145019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507341500.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 29933145019 in words is "twenty-nine billion, nine hundred thirty-three million, one hundred forty-five thousand, nineteen".