29970019 has 2 divisors, whose sum is σ = 29970020. Its totient is φ = 29970018.

The previous prime is 29970007. The next prime is 29970029. The reversal of 29970019 is 91007992.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29970019 is a prime.

It is a super-2 number, since 2×29970019² = 1796404077720722, which contains 22 as substring.

It is equal to p_1856098 and since 29970019 and 1856098 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29970019.

It is not a weakly prime, because it can be changed into another prime (29970029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14985009 + 14985010.

It is an arithmetic number, because the mean of its divisors is an integer number (14985010).

Almost surely, 2^29970019 is an apocalyptic number.

29970019 is a deficient number, since it is larger than the sum of its proper divisors (1).

29970019 is an equidigital number, since it uses as much as digits as its factorization.

29970019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 29970019 is about 5474.4880125908. The cubic root of 29970019 is about 310.6197072754.

The spelling of 29970019 in words is "twenty-nine million, nine hundred seventy thousand, nineteen".