698312353 has 2 divisors, whose sum is σ = 698312354. Its totient is φ = 698312352.

The previous prime is 698312341. The next prime is 698312357. The reversal of 698312353 is 353213896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447026449 + 251285904 = 21143^2 + 15852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698312353 is a prime.

It is not a weakly prime, because it can be changed into another prime (698312357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349156176 + 349156177.

It is an arithmetic number, because the mean of its divisors is an integer number (349156177).

Almost surely, 2^698312353 is an apocalyptic number.

It is an amenable number.

698312353 is a deficient number, since it is larger than the sum of its proper divisors (1).

698312353 is an equidigital number, since it uses as much as digits as its factorization.

698312353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 40.

The square root of 698312353 is about 26425.6003337673. The cubic root of 698312353 is about 887.1898710894.

The spelling of 698312353 in words is "six hundred ninety-eight million, three hundred twelve thousand, three hundred fifty-three".