34230021997 has 2 divisors, whose sum is σ = 34230021998. Its totient is φ = 34230021996.

The previous prime is 34230021971. The next prime is 34230022049. The reversal of 34230021997 is 79912003243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31539628836 + 2690393161 = 177594^2 + 51869^2 .

It is a cyclic number.

It is not a de Polignac number, because 34230021997 - 2²⁷ = 34095804269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34230021797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17115010998 + 17115010999.

It is an arithmetic number, because the mean of its divisors is an integer number (17115010999).

Almost surely, 2^34230021997 is an apocalyptic number.

It is an amenable number.

34230021997 is a deficient number, since it is larger than the sum of its proper divisors (1).

34230021997 is an equidigital number, since it uses as much as digits as its factorization.

34230021997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 34230021997 in words is "thirty-four billion, two hundred thirty million, twenty-one thousand, nine hundred ninety-seven".