699489266953 has 2 divisors, whose sum is σ = 699489266954. Its totient is φ = 699489266952.

The previous prime is 699489266947. The next prime is 699489266999. The reversal of 699489266953 is 359662984996.

699489266953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 617674961929 + 81814305024 = 785923^2 + 286032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699489266953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 699489266953.

It is not a weakly prime, because it can be changed into another prime (699489266353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349744633476 + 349744633477.

It is an arithmetic number, because the mean of its divisors is an integer number (349744633477).

Almost surely, 2^699489266953 is an apocalyptic number.

It is an amenable number.

699489266953 is a deficient number, since it is larger than the sum of its proper divisors (1).

699489266953 is an equidigital number, since it uses as much as digits as its factorization.

699489266953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360488960, while the sum is 76.

The spelling of 699489266953 in words is "six hundred ninety-nine billion, four hundred eighty-nine million, two hundred sixty-six thousand, nine hundred fifty-three".