29898672019 has 2 divisors, whose sum is σ = 29898672020. Its totient is φ = 29898672018.

The previous prime is 29898671951. The next prime is 29898672043. The reversal of 29898672019 is 91027689892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29898672019 - 2³¹ = 27751188371 is a prime.

It is a super-2 number, since 2×29898672019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29898672119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14949336009 + 14949336010.

It is an arithmetic number, because the mean of its divisors is an integer number (14949336010).

Almost surely, 2^29898672019 is an apocalyptic number.

29898672019 is a deficient number, since it is larger than the sum of its proper divisors (1).

29898672019 is an equidigital number, since it uses as much as digits as its factorization.

29898672019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 29898672019 in words is "twenty-nine billion, eight hundred ninety-eight million, six hundred seventy-two thousand, nineteen".