699907469 has 2 divisors, whose sum is σ = 699907470. Its totient is φ = 699907468.

The previous prime is 699907451. The next prime is 699907471. The reversal of 699907469 is 964709996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355322500 + 344584969 = 18850^2 + 18563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699907469 is a prime.

It is a super-2 number, since 2×699907469² = 979740930323971922, which contains 22 as substring.

Together with 699907471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (699907669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349953734 + 349953735.

It is an arithmetic number, because the mean of its divisors is an integer number (349953735).

Almost surely, 2^699907469 is an apocalyptic number.

It is an amenable number.

699907469 is a deficient number, since it is larger than the sum of its proper divisors (1).

699907469 is an equidigital number, since it uses as much as digits as its factorization.

699907469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6613488, while the sum is 59.

The square root of 699907469 is about 26455.7643813215. The cubic root of 699907469 is about 887.8648768542.

The spelling of 699907469 in words is "six hundred ninety-nine million, nine hundred seven thousand, four hundred sixty-nine".