698468653 has 2 divisors, whose sum is σ = 698468654. Its totient is φ = 698468652.

The previous prime is 698468627. The next prime is 698468663. The reversal of 698468653 is 356864896.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697118409 + 1350244 = 26403^2 + 1162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698468653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 698468594 and 698468603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698468663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349234326 + 349234327.

It is an arithmetic number, because the mean of its divisors is an integer number (349234327).

Almost surely, 2^698468653 is an apocalyptic number.

It is an amenable number.

698468653 is a deficient number, since it is larger than the sum of its proper divisors (1).

698468653 is an equidigital number, since it uses as much as digits as its factorization.

698468653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 55.

The square root of 698468653 is about 26428.5575277956. The cubic root of 698468653 is about 887.2560580098.

The spelling of 698468653 in words is "six hundred ninety-eight million, four hundred sixty-eight thousand, six hundred fifty-three".