698630973349 has 2 divisors, whose sum is σ = 698630973350. Its totient is φ = 698630973348.

The previous prime is 698630973347. The next prime is 698630973373. The reversal of 698630973349 is 943379036896.

698630973349 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., 678860644900 + 19770328449 = 823930^2 + 140607^2 .

It is a cyclic number.

It is not a de Polignac number, because 698630973349 - 2¹ = 698630973347 is a prime.

It is a super-2 number, since 2×698630973349² (a number of 24 digits) contains 22 as substring.

Together with 698630973347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698630973347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349315486674 + 349315486675.

It is an arithmetic number, because the mean of its divisors is an integer number (349315486675).

Almost surely, 2^698630973349 is an apocalyptic number.

It is an amenable number.

698630973349 is a deficient number, since it is larger than the sum of its proper divisors (1).

698630973349 is an equidigital number, since it uses as much as digits as its factorization.

698630973349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158723712, while the sum is 67.

The spelling of 698630973349 in words is "six hundred ninety-eight billion, six hundred thirty million, nine hundred seventy-three thousand, three hundred forty-nine".