29907749149 has 2 divisors, whose sum is σ = 29907749150. Its totient is φ = 29907749148.

The previous prime is 29907749119. The next prime is 29907749153. The reversal of 29907749149 is 94194770992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29758665049 + 149084100 = 172507^2 + 12210^2 .

It is a cyclic number.

It is not a de Polignac number, because 29907749149 - 2¹⁹ = 29907224861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29907749119) 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, 14953874574 + 14953874575.

It is an arithmetic number, because the mean of its divisors is an integer number (14953874575).

Almost surely, 2^29907749149 is an apocalyptic number.

It is an amenable number.

29907749149 is a deficient number, since it is larger than the sum of its proper divisors (1).

29907749149 is an equidigital number, since it uses as much as digits as its factorization.

29907749149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 29907749149 in words is "twenty-nine billion, nine hundred seven million, seven hundred forty-nine thousand, one hundred forty-nine".