29914123549 has 2 divisors, whose sum is σ = 29914123550. Its totient is φ = 29914123548.

The previous prime is 29914123543. The next prime is 29914123553. The reversal of 29914123549 is 94532141992.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20558397924 + 9355725625 = 143382^2 + 96725^2 .

It is a cyclic number.

It is not a de Polignac number, because 29914123549 - 2¹⁵ = 29914090781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29914123543) 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, 14957061774 + 14957061775.

It is an arithmetic number, because the mean of its divisors is an integer number (14957061775).

Almost surely, 2^29914123549 is an apocalyptic number.

It is an amenable number.

29914123549 is a deficient number, since it is larger than the sum of its proper divisors (1).

29914123549 is an equidigital number, since it uses as much as digits as its factorization.

29914123549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The spelling of 29914123549 in words is "twenty-nine billion, nine hundred fourteen million, one hundred twenty-three thousand, five hundred forty-nine".