34351720027 has 2 divisors, whose sum is σ = 34351720028. Its totient is φ = 34351720026.

The previous prime is 34351720003. The next prime is 34351720057. The reversal of 34351720027 is 72002715343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34351720027 - 2²³ = 34343331419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34351719974 and 34351720001.

It is not a weakly prime, because it can be changed into another prime (34351720057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17175860013 + 17175860014.

It is an arithmetic number, because the mean of its divisors is an integer number (17175860014).

Almost surely, 2^34351720027 is an apocalyptic number.

34351720027 is a deficient number, since it is larger than the sum of its proper divisors (1).

34351720027 is an equidigital number, since it uses as much as digits as its factorization.

34351720027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 34351720027 in words is "thirty-four billion, three hundred fifty-one million, seven hundred twenty thousand, twenty-seven".