29805289025357 has 2 divisors, whose sum is σ = 29805289025358. Its totient is φ = 29805289025356.

The previous prime is 29805289025279. The next prime is 29805289025371. The reversal of 29805289025357 is 75352098250892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29804928253321 + 360772036 = 5459389^2 + 18994^2 .

It is a cyclic number.

It is not a de Polignac number, because 29805289025357 - 2³⁰ = 29804215283533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29805289025293 and 29805289025302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29805289021357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14902644512678 + 14902644512679.

It is an arithmetic number, because the mean of its divisors is an integer number (14902644512679).

Almost surely, 2^{29805289025357} is an apocalyptic number.

It is an amenable number.

29805289025357 is a deficient number, since it is larger than the sum of its proper divisors (1).

29805289025357 is an equidigital number, since it uses as much as digits as its factorization.

29805289025357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864000, while the sum is 65.

The spelling of 29805289025357 in words is "twenty-nine trillion, eight hundred five billion, two hundred eighty-nine million, twenty-five thousand, three hundred fifty-seven".