29991613063 has 2 divisors, whose sum is σ = 29991613064. Its totient is φ = 29991613062.

The previous prime is 29991613051. The next prime is 29991613073. The reversal of 29991613063 is 36031619992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29991613063 - 2²¹ = 29989515911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29991612998 and 29991613016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29991613013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14995806531 + 14995806532.

It is an arithmetic number, because the mean of its divisors is an integer number (14995806532).

Almost surely, 2^29991613063 is an apocalyptic number.

29991613063 is a deficient number, since it is larger than the sum of its proper divisors (1).

29991613063 is an equidigital number, since it uses as much as digits as its factorization.

29991613063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 49.

The spelling of 29991613063 in words is "twenty-nine billion, nine hundred ninety-one million, six hundred thirteen thousand, sixty-three".