29984503897 has 2 divisors, whose sum is σ = 29984503898. Its totient is φ = 29984503896.

The previous prime is 29984503837. The next prime is 29984503907. The reversal of 29984503897 is 79830548992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15064125696 + 14920378201 = 122736^2 + 122149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29984503897 is a prime.

It is not a weakly prime, because it can be changed into another prime (29984503807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14992251948 + 14992251949.

It is an arithmetic number, because the mean of its divisors is an integer number (14992251949).

Almost surely, 2^29984503897 is an apocalyptic number.

It is an amenable number.

29984503897 is a deficient number, since it is larger than the sum of its proper divisors (1).

29984503897 is an equidigital number, since it uses as much as digits as its factorization.

29984503897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 29984503897 in words is "twenty-nine billion, nine hundred eighty-four million, five hundred three thousand, eight hundred ninety-seven".