34521072799 has 2 divisors, whose sum is σ = 34521072800. Its totient is φ = 34521072798.

The previous prime is 34521072793. The next prime is 34521072871. The reversal of 34521072799 is 99727012543.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34521072799 - 2⁵ = 34521072767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34521072793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17260536399 + 17260536400.

It is an arithmetic number, because the mean of its divisors is an integer number (17260536400).

Almost surely, 2^34521072799 is an apocalyptic number.

34521072799 is a deficient number, since it is larger than the sum of its proper divisors (1).

34521072799 is an equidigital number, since it uses as much as digits as its factorization.

34521072799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 34521072799 in words is "thirty-four billion, five hundred twenty-one million, seventy-two thousand, seven hundred ninety-nine".