29054438857 has 2 divisors, whose sum is σ = 29054438858. Its totient is φ = 29054438856.

The previous prime is 29054438839. The next prime is 29054438939. The reversal of 29054438857 is 75883445092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24193002681 + 4861436176 = 155541^2 + 69724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29054438857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29054438798 and 29054438807.

It is not a weakly prime, because it can be changed into another prime (29054438837) 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, 14527219428 + 14527219429.

It is an arithmetic number, because the mean of its divisors is an integer number (14527219429).

Almost surely, 2^29054438857 is an apocalyptic number.

It is an amenable number.

29054438857 is a deficient number, since it is larger than the sum of its proper divisors (1).

29054438857 is an equidigital number, since it uses as much as digits as its factorization.

29054438857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 29054438857 in words is "twenty-nine billion, fifty-four million, four hundred thirty-eight thousand, eight hundred fifty-seven".