69034055221 has 2 divisors, whose sum is σ = 69034055222. Its totient is φ = 69034055220.

The previous prime is 69034055219. The next prime is 69034055281. The reversal of 69034055221 is 12255043096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36700980625 + 32333074596 = 191575^2 + 179814^2 .

It is a cyclic number.

It is not a de Polignac number, because 69034055221 - 2¹ = 69034055219 is a prime.

Together with 69034055219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69034055201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34517027610 + 34517027611.

It is an arithmetic number, because the mean of its divisors is an integer number (34517027611).

Almost surely, 2^69034055221 is an apocalyptic number.

It is an amenable number.

69034055221 is a deficient number, since it is larger than the sum of its proper divisors (1).

69034055221 is an equidigital number, since it uses as much as digits as its factorization.

69034055221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 69034055221 in words is "sixty-nine billion, thirty-four million, fifty-five thousand, two hundred twenty-one".