29673940039 has 2 divisors, whose sum is σ = 29673940040. Its totient is φ = 29673940038.

The previous prime is 29673939973. The next prime is 29673940091. The reversal of 29673940039 is 93004937692.

It is an a-pointer prime, because the next prime (29673940091) can be obtained adding 29673940039 to its sum of digits (52).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29673940039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29673940939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14836970019 + 14836970020.

It is an arithmetic number, because the mean of its divisors is an integer number (14836970020).

Almost surely, 2^29673940039 is an apocalyptic number.

29673940039 is a deficient number, since it is larger than the sum of its proper divisors (1).

29673940039 is an equidigital number, since it uses as much as digits as its factorization.

29673940039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 29673940039 in words is "twenty-nine billion, six hundred seventy-three million, nine hundred forty thousand, thirty-nine".