699022123001 has 2 divisors, whose sum is σ = 699022123002. Its totient is φ = 699022123000.

The previous prime is 699022122961. The next prime is 699022123003. The reversal of 699022123001 is 100321220996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652419675625 + 46602447376 = 807725^2 + 215876^2 .

It is a cyclic number.

It is not a de Polignac number, because 699022123001 - 2¹⁰ = 699022121977 is a prime.

Together with 699022123003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (699022123003) 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, 349511061500 + 349511061501.

It is an arithmetic number, because the mean of its divisors is an integer number (349511061501).

Almost surely, 2^699022123001 is an apocalyptic number.

It is an amenable number.

699022123001 is a deficient number, since it is larger than the sum of its proper divisors (1).

699022123001 is an equidigital number, since it uses as much as digits as its factorization.

699022123001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

Adding to 699022123001 its reverse (100321220996), we get a palindrome (799343343997).

The spelling of 699022123001 in words is "six hundred ninety-nine billion, twenty-two million, one hundred twenty-three thousand, one".