29727921053 has 2 divisors, whose sum is σ = 29727921054. Its totient is φ = 29727921052.

The previous prime is 29727921017. The next prime is 29727921133. The reversal of 29727921053 is 35012972792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25676216644 + 4051704409 = 160238^2 + 63653^2 .

It is a cyclic number.

It is not a de Polignac number, because 29727921053 - 2¹⁶ = 29727855517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29727920989 and 29727921007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29727921653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14863960526 + 14863960527.

It is an arithmetic number, because the mean of its divisors is an integer number (14863960527).

Almost surely, 2^29727921053 is an apocalyptic number.

It is an amenable number.

29727921053 is a deficient number, since it is larger than the sum of its proper divisors (1).

29727921053 is an equidigital number, since it uses as much as digits as its factorization.

29727921053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 29727921053 in words is "twenty-nine billion, seven hundred twenty-seven million, nine hundred twenty-one thousand, fifty-three".